Two complementary angles have measures of a and b if b is 90 less than twice a determine the measure of each angle

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?