Kyote 24

1. A student has a mean score of 77 on three tests.  If her scores on the first tests are 82 and 80, what is her score on the third test?

• 68

• 69

• 70

• 71

• 72

1. Solve .2x+6.5=2.5

2. 
   

• -10

• -15

• -.2

• 30

• -20

If x is invested in an account earning 4 percent annual interest and y dollars is invested in an account earning 5 percent interest, then which of the following expressions represents the annual interest earned, in dollars, on both accounts combined after one year?

• .4x+.5y

• 9xy

• .09(x+y)

• .04 x+.05y

• 4x+5y

1. Simplify 5-(3-8)

• 10

• -6

• -10

• 6

• -8

1. How many seconds in 3/16 of an hour?

• 67.5

• 11.25

• 675

• 112.5

• 6750

Which of the following is equivalent to -5x<8?

• x<-5/8

• x>5/8

• x<8/5

• x>-8/5

• x>8/5

1. Solve 7x-5=4-2x

• 1

• 9/5

• -9/5

• 1/9

• -1

1. What is .4% of 500

a) 20     b) 200    c) .20  d) 2  e) 1250 

• 20

• 200

• .20

• 2

• .02

1. Which of the following is an equation of the line with a slope of 2 that passes through the point (1,-5)?

• y=2x-5

• y=2x-7

• y=2x-1

• y=2x-11

• y=2x+11

Find the value of –x+(y+1)2 when x=-3 and y=2

     

• 3

• 6

• -12

• -6

• 12