What is the simplified value of the expression below? 4.5 minus 4.8 + 2.4 divided by 0.2
11.7
13.95
19.3
21.75

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

What ia the sum if the first 7 terms of the geometric series

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?