4. A tank, which initially contained 80 liters of water, is being drained at a rate of 2.5 liters per minute.
How many liters of water remain in the tank after the following amounts of time?
30 seconds
a.
b.
7 minutes
c.
t minutes.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

27 is what percent of 108? 27 is % of 108

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is: