9 meters higher than altitude X

Add polynomials Simplify: (-5a^3 - 2a^2) + (6a^3+9a^2+8a)

John's dog slept for 3 hours. If the dog slept 1/3 of every hour, how many times did he snore?

What is the y value of the vertex? y=x^2-10x+24

Does eight go into 53

Why do we multiply by sin - 1 to cancel it out rather than divide by sin?

Which values from the given replacement set make up the solution set of the inequality? m+7 < 18; {8,9,10,11} A. {8,9} B. {10,11} C. {8,9,10} D. {9,10,11}

Which of the following relations represents a function? a. { (2, 3), (1, 3), (3, 3) } c. { (1, 3), (2, 3), (1, 4) } b. { (1, 3), (2, 3), (2, 4) } d. { (2, 2), (2, 3), (2, 1) }

What is the output, or dependent variable of quantity? 1: x 2:f (x) 3:y

The average of 4 numbers is 5. What is their sum? explain you answer

Calculate the inverse of the matrix and find the values for a, b, c, and d [4,12,1,10] A^1=[a/14, b/7, c/28, d/7]