jonna is 4 years older than her brother. which of the following expressions shows the sum of their ages if b represents jonna's brother's age? a. 2b + 4
b. b + 4
c. 2(b + 4)
d. 4b

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

Which shows how to solve the equation 3/4x=6 for x in one step?

Y< 2x-3 y? mx+3 which value of m and which symbol result in the system of inequalities shown above having no solution? a) m=-2; > b) m=-1/2; < c) m=2; > d) m=2;