X + 20 ≤ -10
A) x ≤ 10
B) x ≥ 10
C) x ≤ -10
D) x ≤ -30
Solve.
-x ≥ -3
A) x ≥ 3
B) x ≤ 1
C) x ≤ 3
D) x ≥ -3

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Pls the last one and it has to be like number 6

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%