Answer:
x^12
Step-by-step explanation:
multiply 4 and 3
x^4*3 = x^12
Answer:
5
Step-by-step explanation:
1. in order to calculate all the required values, it needed to solve:

2. x≥5 means, that x∈[5;+∞), where beginnig is '5'.
Answer:
23.68
Step-by-step explanation:
74% = 74/100
·
= 23.68
0.15 * 60 = 9 or 15/100 * 60/1 = 900/100 = 9
Answer:
15a
Step-by-step explanation:
Because 5(a + a + a) = 5 * (3a) = 15a