When adding decimals by hand you must a. line up the decimals of the numbers then add from left-to-right. b. line up the decimals of the numbers then add from right-to-left. c. line up the numbers to the left then add from left-to-right. d. line up the numbers to the left then add from right-to-left.

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2