It's going to be the first one...
How you solve this is just insert the number of hours you want for X then solve the equation.
15 * 1 = 15
15 + 30 = 45
15 * 3 =45
45 + 30 = 75
Well, 3^9 is the same thing as
3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3
So 3^9 is equal to 19,683
2 1/12 you do 1 1/4 divided by 5/12 which gives you 2 1/12. Also unit rate is asking the first rate.....
Answer:
3
Step-by-step explanation:
By order of PEMDAS, perform math within parentheses first.

Continue with PEMDAS

Now, simply divide

Step-by-step explanation:
Like Terms: Terms that have identical variable parts (same variable(s) and same exponent(s)). When simplifying using addition and subtraction, you combine “like terms” by keeping the "like term" and adding or subtracting the numerical coefficients.