How to pass level 4 in st math 5th grade challenge

A rectangular room is 7 feet wide. it is twice as long as it is wide. what is the perimeter of the room?

How many edges does a rectangular prism have? o 6 08 O 10 O 12

What is the population of china's capital in scientific notation?

Find the value of the expression. (m + n) 3 for m = 1 and n = 1

Surface area of rectangular prism with square prism on top. 6 cm 7cm 8 cm 8cm

Start at 7 and subtract 3each time

Suppose you know the area of a circle and the measure of the central angle of a sector. Describe the process of finding the area of the sector.

Cups are sold 8 a package and plates are sold 12 to a package. If you want to have the same number of each item for the party, how many of each do you need to buy? what is the least number of packages of each you need to buy?

What is the formula for the sum of an infinite geometric series

Denise put $95 into an account that pays 5.2% interest, compounded monthly. According to the rule of 72, approximately how long will it take for her money to double?