What is the average rate of change for the equation y=-x^2 + 4x + 6

I have a 41% on my technology grade. (Dont judge. Im not good with tech.) I have a portfolio grade worth 26% of my grade. What will my final grade be if I get a 70% on the portfolio?

Solve the following inequality: - 1 > - 2 (x - 4) - 5 (4x - 7). A. x > 8 B. x > - 23 C. x > 2 D. x < 2

a football field is about 100m long. if it takes a person 20 to run it length, how fast were theys running

in how many different ways can it elect a president, vice-president, secretary and treasure? out of 50 students

Does the textbook,'Calculus with Analytic Geometry' have PDF version? That is too expensive to me and I am hesitating whether I'll learn this subject.

A die contains the numbers 1 through 6. David rolls the die 2 times. What is the probability of getting a 3 on the first roll and a 5 on the second roll?

The equation y = 55x + 85 describes the amount of money a plumber charges, where y is the total amount he charges and x is the number of hours he works. The table shows the total amount of money an electrician charges.

The formula C = 2πr relates the radius r of a circle to its circumference C. Solve the formula for r.

Susan found a bag of 20 golf balls at a garage sale, and bought the bag for 75 cents. Express the ratio of cost to number of balls in lowest terms. 20:75 75:20 4:15 15:4

What can you say about the graph of the function below? Check all that apply. F (x) = 4 * (7) ^x A. the y intercept is (0,7) B. the y-intercept is (0,7) C. the y-intercept is (0,4) D. the range of F (x) is all real numbers