4^-2x7^-2 which expressions are equivalent

Use the distributive law to multiply. 3(4x + 5y + 6)

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?