What is the value of x if 3x-6=21

What is + 78 / - 3 + 7power of 2 - negative 9 and 14 x (-3) to the power of 4 + - 75/5?

Taylee has three times as many animal crackers as Meici. Beckett has twice as many animal crackers as Meici. If the three friends have a total of 72 crackers how many does each friend have?

This is an equation. - 7 + (-7) + [ (-2) + (-2) + (-2) + (-2) + (-2) + (-2) + (-2) = (-7) (◻) What is the missing number that makes this equation true?

Which binomial is a factor of X^3 - 3x^2 - 28x a) x - 4 b) x^2 - 4 c) x - 7 d) x^2 - 7

How can the amount of money earned be expressed as a function of the number of hours worked?

5.5% tax on a $309.95 purchase

An airplane is traveling 835km/h in a direction 41.5 west of north. Find the components of the velocity vector in the northerly and westernly directions. How far north and how far west has the plane traveled after 2.50h

4. Change the decimal 0.0112 to a fraction.

A sport field is 200 feet long. Write a formula that gives the length L of x sport fields in feet. Then use this formula to determine the number of sport fields in 580 feet.

Mandee is looking for a new car. She has test-driven two cars but can only purchase one. The probability that she will purchase car A is 0.51, and the probability that she will purchase car B is 0.27.