Heather is trying to decrease the amount of toys that Oliver has. Originally, he had 55 toys in his room and now he only has 30. By what percentage did Heather decrease the amount of toys?

The radius of a sphere was measured and found to be 20 cm with a possible error in measurement of at most 0.02 cm. What is the maximum error in using this value of the radius to compute the volume of the sphere

Bob roller blades 9 miles each morning. today, he averaged 10 miles per hour for the first 6 miles but then slowed to 5 miles per hour for the rest of the trip. how long did the entire trip take?

So my question is3/4 = how many months

How far could a subway car travel in 1 hour if it's average speed was 0.96 mile per minute

A used motorcycle is priced at 3,438 if u borrow the money for the motorcycle your payment will be 165 per month for 24 months. How much will u save by paying cash

For 2 hours, Lia drove at the speed of 60 mph, and for the next 3 hours, at the speed of 50 mph. What was Lia's average speed during this trip? A) 53 MPH B) 54 MPH c) 55 MPH D) 56 MPH E) 57 MPH

The sum of 5 and four times a number is - 11?

Which of the following sets is closed under division? A. Natural numbers B. Non zero intergers C. Irrational numbers D. Non zero rational numbers

Write 4.48 as the quotient of two integers. A. 75./336 B. 118./25 C. 336/75 D. 336/150

How do you say 58.7 in word form? Hundredths or tenths?