What is the value of a, if a2 – 64 = 0 and a > 0?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Polygon abcd is a parallelogram, and m? abc = 127°. the length of is 10 units, and the length of is 5 units. the perimeter of the parallelogram is units, and m? bcd is °