Which values make this equation true? (5x^7 y^5)=-20x^a y^ba.) a=11, b=7b.) a=11, b=10c.) a=28, b=7d.) a=28, b=10

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.