What is the image point of (4, -2) after the transformation ry=-x•D1/2

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

Gables properties corp. is leasing office building with an area of 49b^2+70b+25. what is the shape of the building? a) rectangle b) square