23.6-M2

• 4

• 9

• 40

• 49

To make a bookcase,a woodworker charged a onetime fee plus$17 per hour worked.The equation

17h+45=164 represents this  situation,where  his  the   number of hours worked.Which of the following is the best interpretation of 164 in this context?

• The onetime fee, in dollars

• The number of hours worked

• The charge per hour, in dollars

• The total charge, in dollars

In December 2017, the lowest temperature recorded in a certain city was 40 degrees Fahrenheit (°F) and the highest temperature recorded was 90°F. Which inequality is true for all values of t, where t represents any temperature, in °F, recorded in the city in December 2017?

• 40≤t≤90

• t≤40

• t≤50

•  t≥90

The function fis defined byf(x)=6(2x+4).For what value of x does f(x)=48?

• 2

• 6

• 8

• 22

The ratio of green tiles to blue tiles in a piece of artwork is 5 to 2.If there are  16 blue tiles in the  of artwork , how many green tiles are there?

Which of the following equations is the most  appropriate linear model for the data shown?

• y=-6+28x

• y=-6-28x

• y=28+6x

• y=28-6x

A scientist analyzed a soil sample with a mass of 900

grams and determined that it contained 189 grams of

water.What is the percentage of water,by mass,in this soil sample?

• 9%

• 9.9%

• 18.9%

• 21%

Line n is shown in the xy-plane.Line k(not shown)is

perpendicular to line n.What is the slope of line k?

• -1/5

• -1/6

• 5

• 6

mx+ky=-83 2x+ky=22

In the given system of equation,m and k are constants. The graphs of these equations in the xy-plane intersect  at the point(5,y).What is the value of m?

For the  linear  function  f,the  graph  of y=f(x)in  the

xy-plane passes  through the point(0,2)and(3,3).What is  the  slope  of y=f(x)?