What is the value of s in the equation 3r = 10 + 55, when r = 10?

Here's another way to think about the number line model for 2 - (-3) : if we were adding 2 + (-3), we'd first move two units to the right. Then, we'd move three units to the left, because we move left when adding negative integers.

Sam can solve 30 multiplication problems in 2 minutes how many can he solve in 20 minutesl

The ratio of girls to boys in your class is 5 to 7. Two girls joined your class. Now the ratio of girls to boys is 6 to 7. How many students are now in your class.

Is √ 2/9 a rational number

20. (x, y) → (x + 3. y - 6)

How do I find the perimeter of a triangular prism?

A garden shop sells 15 " by 15 " square stepping stones for the same price as 20 " round stones. If all stepping stones are the same thickness, which option gives the most rock for the money? The area of a square stepping stone is (?) in.

What is 2 1/2 / 1/3?

42+36 = use rounding or compatible numbers to estimate the sum

Elana spent 2.50 on pineapple juice pineapple juice costs. 10 per ounce. how many ounces of pineapple juice did Elana buy?