Which of the following statements is true?

a. sin 18° = cos 72°

b. sin 55° = cos 55°

c. sin 72° = cos 189

d. Both a and c.

Use the remainder theorem to determine the remainder when 3t2 + 5t - 7 is divided by t - 5. A. 43 B. 107 C. 93 D. 57

According to the 25th Amendment, what happens if the president dies in office? A. The vice president becomes president. B. The speaker of the House becomes president. C. There must be another election within 30 days. D.

The frequency table was made using a box containing slips of paper. Each slip of paper was numbered 0, 1, 2, 3, or 4

On Friday nights the local diner serves three main entrees, each with a choice of vegetable. The entrees are beef, chicken, and fish. The vegetables are spinach, broccoli, and carrots.

In order to solve the following system of equations by subtraction, which of the following could you do before subtracting the equations so that one variable will be eliminated when you subtract them? 4x - 2y = 7 3x - 3y=15 A.

44 is what percent of 80

At a school number of boys:number of girls = 9:7. There are 116 more boys than girls. Work out the total number at the school

Your sister is looking for a way to increase the amount of interest she is earning on her savings account. What should she do?

Convert 17 gallons into quarts.

The surface area of a rectangular prism is 208 cm². Two of the dimensions are 2 cm and 10 cm. Find the measure of the other dimensions.