Evaluate sin of seven pi without a calculator

How would you solve (3a-4) ^2? According to my teacher the answer is (3 (a-1)) ^2 = 9a^2 - 18 a + 9

A gift box has the shape of a cube. The box is 75 cm tall. What's the volume of the box 225 cm 5625 cm 33750 cm 421875 cm

You and a friend each have a collection of tokens. Initially, for every 8 tokens you had, your friend had 3. After you give half of your tokens to your friend, your friend now has 18 more tokens than you.

What the answer to estimate 8,288.4x43.

What is riemann integral

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?

If a number is divisible by both two and three then we can save a number is divisible by

Which of the numbers 2, 3, 4, 5, 6 and 10 are factors of 1900

Mobile people moving company increased its number of employees from 22 to 27 what is the percent increase round to the nearest tenth of a percent