How do i simplify: (sin pi/2 - x) / (cos pi/2 - x)

and

sec^2x-1 / secx-1

What is one half divided by one half?

Question 8 the price of a cup of coffee was $2.55 yesterday. today, the price fell to $2.40. find the percentage decrease. round your answer to the nearest tenth of a percent. %

What does x^3-3x^2+3=0 factor to?

When rolling a single number cube, what are the odds, in simplest form, in favor of rolling a 4 or a 5? A) 1:1 B) 1:2 C) 1:3 D) 1:5

Eva spent $48 on a shirt and a pair of pants. The pant cost twice as much as the shirt. How much did each item cost?

Scott runs 4 sprints of 20 yards each. If he continues his routine, how many practices will it take for Scott to have sprinted a total of 2 miles combined?

How do I graph y=6/5x+1

Pasha is thinking of a number such that when twice the number is added to three times one more than the number she gets the same result as when she multiplies four times one less than the number. what number is pasha thinking about?

Solve the equation. -10x + 1 + 7x = 37 Ox = - 15 Ox = - 12 Ox = 12 Ox = 15

Eight people are entered in a race. If there are no ties, in how many ways can the first three places come out?