The school assembly had 30 students in attendance and 20% of them were first graders. how many first graders were at the assembly?

Which measure is equivalent to 5 kg? (1 kilogram = 1,000 grams) 500 g 5,000 g 50 g 5 g

Jason hiked 14.3 kilometers on Saturday, 21.8 kilometers on Sunday, and 19.7 kilometers on Monday. How many kilometers did he hike during the three days?

What is (2+y) ³ written out?

Just want you check if my answer is right ... i'm not good in math. Ana paid 1/4 of her money for a pair of shoes and 1/5 of it for a shoulder bag. She later spent 3/8 less the remainder of her money for a dress.

It is currently 0 degrees outside, and the temperature is dropping 4 degrees every hour. The temperature after h hours is - 4h. It can be described with the equation - 4h=-14. What value of h makes the equation true?

5 3/5 + 7/10 - 2 2/3

What has 6 wheels and flies?

A 10 foot ladder is placed against a house. If the base of the ladder is 3.5 feet from the base of the house, how high does the ladder reach on the house

Miguel reads about a sea turtle and a manatee. The sea turtle is 3 feet long. The manatee is 4feet times as long as the sea turtle. How long is the manatee?

Write a formula for the cost is c of an item with a price P and a 7% sale tax. Would it be c = p + (1+0.07)