What is the rate of decrease from 720 to 630

A number, when divided by 143, leaves 31 as the remainder. What will be the remainder when the same number is divided by 13?

Which fraction is equal to 44/64

Write a balanced chemical equation from the following descriptions. Aqueous potassium sulfate is mixed with aqueous strontium nitrate to produce solid strontium sulfate and aqueous potassium nitrate.

Simplify the expression: 8f-10f+5f+6f

Rapid rental car charges a 40 rental fee, 15 for gas, and 0.25 per mile driven. for the same car, capital cars charges 45 for rental and gas and 0.35 per mile. for how many miles is the rental cost at both companies the same? what is that cost?

Skylar has pool toys shaped like a sphere with a radius of 2 inches. The toys fill with water and she has 12 toys total. How many cubic inches of water is needed to fill each toy?

The entire graph of the function h is shown in the figure below. Write the domain and range of h using interval notation.

What do you do before adding the equation so that one variable will be eliminated when you dd them 2x-4y=5 and 6x-3y=10

The number of farms in the country was 2.15 million in 2000. By 2006, the number had dropped to 2.07 million. What was the percent of decrease? Round to the nearest tenth of a percent

The sales totals at Macy's food store have increased exponentially over the months. Which of these best shows the sales in the first three months?