Twice a number is equal to negative four. Which equation could be used to find the number? 2n = 4

2n = -4n

2n - 4

2n = -4

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.