Answer:
keeping financial records organized
n = # of days
45 = 2.5n + 2n
45 = 4.5n
n = 10
He can paint 45 structures in 10 days
Answer:
add 18 to both sides, giving you 3x = 96
Answer:
B
Step-by-step explanation:
recall that any radical expression
has real solutions only if A is not negative. (otherwise you will have imaginary solutions)
hence in this case we have
,
for real solutions, 8x must be ≥ 0,
since 8 is a positive number, x must be ≥ 0 (answer)