In triangle ABC, m∠A=α, m∠B=β, m∠C=y. AB=c, AC=b, BC=a. Find the areas of the triangles if the following parts are given. b=12, c=9, a=57 degrees.

Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Given a normal distribution with µ=20 and σ = 4, what is the probability that x> 24 x< 24 x< 24 or x> 24