Ken's cafe serves hot cocoa. each serving has 9 grams of chocolate. how many grams of chocolate are in 8 servings of hot cocoa?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?