The expression 3(x^2+2x-3)-4(4x^2-7x+5) is equivalent to

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?