The sum of the areas of two circles is 80 square meters. find the length of a radius of each circle if one of them is twice as long as the other.

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1