2cos theta = sec theta ... what are they asking me to find?

What is the domain of the function f (x) = StartFraction x + 1 Over x squared minus 6 x + 8 EndFraction?

Winnie wrote the following riddle i am a number between 60 and 100 my ones digit is two less than my tens digits im a prime number.

True or false if a a right angle is bisected, the resulting angles will always be acute angles

Cosθ=3/5 and sinθ>0 1. what is tan θ? a. 4/3 b. 5/4 c. 5/3 d. 3/4 2. what is secθ? a. 5/3 b. 4/3 c. 5/4 d. 3/4 3. what is cotθ? a. 4/3 b. 3/4 c. 5/4 d. 5/3 4. what is cscθ? a. 4/3 b. 5/3 c. 5/4 d. 3/4

A rectangle perimeter is 102 inches. The width of the rectangle is 9 inches more than half the length. What are the length and width of the rectangle?

Write 0.249 in decimal form

What is 7 square root 4 to the power of 3?

What is the probability of rolling a multiple of 3 and flipping heads? Enter your answer, as a fraction in simplest form, in the box.

What is the value of 20 : (-4) ?

What is the y value in the solution to this system of linear equations? 4 х + 5y=-12 2 х + Зу = - 16