Solve each system by substitution method x+y=4 y=3x

A number that is between 500 and 800 and is divisible by 2,4,5,9, and 10 and does not have a 2 in it

At a supermarket potatoes cost 0.39 per pound. If a 10-pound bag costs 2.79, how much money will you save if you buy the 10-pound bag? Round to the nearest cent.

0.61 x what give me 3.782

Find the length QR. if QP is 6 and PR is 7

Liam works at a zoo. He was looking at some data showing the masses of their 5 African elephants. The mean mass of the elephants was 3800 Kg and the median mass was 3600 Kg. The smallest elephant, named Lola, weighed 2700 Kg.

Find the Four consecutive integers whose sum is 116.

Ten times the sum of half a number 6 is 8

Charles sold $800,000 worth of real estate last month. His commission for the month was $16,000. what rate of commission discharge received

Who's to make 28% to a decimal

Write 25:15 : : 5:3 as a fraction proportion