What is the expression in factored form? 16x2 - 25
a. (4x - 5)
b. (-4x 5)(4x - 5)
c. (4x - 5)2
d. (4x 5)(4x - 5)

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?