Three sevenths of a number is 21 find the number

Find the value of x so that the function has the given value f (*) = *; f (*) = -24

Solve for x (2*+43)

Which polynomial is equivalent to (x 2 + 2x+4) (x-3) (x2+2x+4) (x-3) ?

Which function is the inverse of f (x) = - 5x - 4? A) f-1 (x) = - 5x-4 B) f-19 (x) = - 1/5x+4/5 C) f-1 (x) = - 4x + 5 D) f-1 (x) = 4x + 4

The perimeter of a rectangle is 24 in. and its length is 3times its width. What are the length and width of ThE rectangle?

5 Connie is working to earn $200. She earns $25 mowing her grandmother's lawn and $60 for a day of housecleaning. Which decimal represents the part of the money Connie still needs to earn and why? A 0.575 B 0.115 C 0.425 D 0.85

A farmer sells 9.7 kilograms of apples and pears at a farmer's market. 1/4 of the weight is apples and the rest is pears. How many kilograms of pears did she sell at the farmer's market What is the fraction

An penguin is 45 inches tall. It is 24 inches taller than a rockhopper penguin. Write and solve an equation to find the height of a rockhopper penguin. Is your answer reasonable? Explain.

Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like reading mystery stories, the number of students at the library who liked mystery stories was.

Two lines intersect and two of the vertical. angles measure 37 what is the measure of the other two vertical angles