Sara tried to evaluate 21 : 7 x 8 step-by-step

21 : 7 x 8

= 3x8

Step 1

= 24

Step 2

Find Sara's mistake.

23.5 million nanometers to millimeters.

18. 64° 34 9 Is this correct

Simplify. 6c^-2d^7/3c^4d^3 I think the answer is 2c^2d^4 but I'm not sure

Catherine likes to go ice fishing. She has learned from experience that she stays warm about 20 minutes for every undershirt she wears. If she wants to stay out for 120 minutes, how many undershirts should she put on?

3 times 4 and one half

At an airport, it costs $7 to park for up to one hour and $5 per hour for each additional hour. Let x represent the number of hours parked. Write the function that models the cost C (x) of parking x hours where x is an integaer greater than 1

If 19 bikes are 770$ how much will 11 bikes be

The area of a rectangular playground enclosure at Happy Times Nursery School is 600 sq. Meters. The length is 25 meters longer than the width. Find the dimensions of the playground

A glass marble has a diameter of 17 millimeters. What is the approximate volume of the marble? Use 3.14 for pi

A glider is gliding through the air at a height of 416 meters with s speed of 45.2 m/s. The glider dives to a height of 278 meters. Determine the gliders new speed.