789 Quiz - 1

Please mention your good name and class: ........ and .......

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

Solve for x

• x=6
• x =1/6
• x = 7
• x=9

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet
• 21 feet
• 27 feet
• 32 feet

Fraction to a Percent
3/8

• 37.5%
• 3.75%
• .375%

Express the map scale 2 cm : 7m in the form 1:r

• 1:700

• 1:650

• 1:350

• 1:250

Describes how high or low a sound is

• PITCH

• DENSITY

Is the ability of a material to return to its original shape

• VISIBLE LIGHT

• ELASTICITY

What does this symbol represent?

• wire

• resistor

• single cell

• battery

Infrared waves have higher frequencies than visible light.

• TRUE

• FALSE