Ray wants to buy a hat that cost $10 and some shirts that cost 12 each the sales tax rate is 6.5% the expression 0.065 parentheses 10 + 12 s parentheses can be used to determine the amount of sales tax that Ray will pay on his entire purchase and expand the expression

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

should have been evaluated with one odd value and one even value. the expressions have equivalent values when . when , the first expression has a value of 3 and the second

step-by-step explanation:

arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees