Which sum or difference identity could be used to prove that sin (pie + q) = - sin q

2. When a person is selected at random from a very large population, the probability that the selected person is righthanded is 0.82. If three people are selected at random, what is the probability that a. They are all right-handed? b.

75% of a number is 4.5 cm

During a science investigation, 6 students divided 15 pounds of potting soil equally. Write an equation that shows how many pounds of potting soil each student received.

a pool company has learned that, by pricing a newly released noodle aat $2, sales will reach 20,000 noodles per day during the summer. raising the price $6 will cause the sale to fall to 16,000 noodles per day.

3 х + Зу = 8 2 х - у = 5 what is the solution?

The sum of 4 times a number and 5 equals 6

The sum of two numbers is fifteen. The product of the two numbers is thirty six. Find the numbers

Given: x + 2y = - 6. Solve for x. What is the coefficient of y?

17. You bought four cans of chicken noodle soup at the grocery store. You paid a total of 3.10 for all four cans. Write and solve an algebraic equation to find how much each can cost Solve the equation. Show all steps. 1. how is the equation set up?

the length of a rectangle is four less than three times the width. What is the area of the rectangle?