-WILL GIVE 15 POINTS- - HELP NEEDED ASAP -
The measure of an angle is 4y°. Find the measure of its supplement.
A) (180 + 4y)°
B) (180 - 4y)°
C) (90 + 4y)°
D) (90 - 4y)°

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?