In a triangle ABC, the measure of angle C is 90°. If angle A and angle B are complementary and the measure of angle A is 30 less
than twice the measure of angle B, what is the
measure of angle A?
(A) 40
(B) 45
(C) 50
(D) 55
(E) 60

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Which of the following circles have their centers on the x-axis? check all that apply.