Jamal watches his older brother Robert lift weights. the bar alone had a mass of 20 kg. on the bar he had two 11.4 kg weights two 4.5 kg weight and four 450 g weights. what mass what's Robert lifting

Which is greater 60% or 49/80?

It is said that your weight on the moon is one-sixth your weight on earth. Write and equation to fine Neil Armstrong's weight on earth if he weigted 32 pounds on the moon.

Simplify: 5 (3x - 4) - 6 (4 - 3x)

Betsy wants to paint the walls of her bedroom. Her bedroom measures 8 ft. by 10 ft. and has 8 ft. ceilings. Not counting doors and windows, how many square feet of wall will Betsy need to paint? 288 80 128 160

Nikki bought a bag of jelly beans. she divided the jelly beans equally among herself and three friends. each person recived 23 jelly beans. how many jelly beans, j, were in the bag

Is 0.7 equal to less than or greater than 7/9

What is the percent for3/15

X is greater than or equal to - 10

You are playing a board game with a friend. At the start, you move four spaces back. On your next turn, you move two spaces forward. Which expression can be used to find how far you are from your original position?

How would I solve -1+2i / - 1-3i