Solve the equation 0.3r=2.1 (Show work)

If David walks 1/2 mile in 1/4 hour, then how fast does David walk in one hour? (In other words what is Davids unit rate?)

What is the positive square root of 36?

6 (7x-9) + 15 simplify equation

How to round 7.1 m to the nearest tenth

Circle O has a circumference of 36π cm. Circle O with radius r is shown. What is the length of the radius, r? 6 cm 18 cm 36 cm 72 cm

You grew 3.8 inches since last year. If you are 61.2 inches tall now, how tall were you a year ago? Write and solve an equation.

A square and rectangle have the same perimeter. The rectangle is 13 cm long and 7 cm wide What is the length of a side of the square

What do 20% off the regular price mean?

a box is 24cm by 15cm by 10cm. this box will packed with smaller boxes of paper clips which are 6cm by 3cm by 5cm. what is the largest number of boxes of paper clips that will fit in the bigger box?

Whats 300 times 400? then add 500