The answer for "-2a + 3b" is 5.
To solve this equation, you must first find "a" and "b". A^3 times B^2 = 72. In this case, a = 2 (2*2*2 = 8) and b = 3 (3*3 = 9) since their outcomes multiplied together equal 72.
Now you fill in for "a" and "b". "-2*2 + 3*3" before adding you do all the multiplying, which leaves "-4 + 9". Combining like terms gives you 5.
I hope this helps!!
Answer:
none of them (-9 - 4 would work if it were an option)
Step-by-step explanation:
-9 + (-4) = -13
Answer: Mary needs to pay $99.36 after using the discount coupon.
Step-by-step explanation:
Find 8% of the total items price and subtracted it from the original price to find the amount she needs to pay after the discount.
8% of 108 = 8.64
108 - 8.64 = 99.36
So $99.36 will be left to pay after using the coupon.
Answer:
Step-by-step explanation:
We have the two functions: 
and 
.
We want to find 
.
So, let's use the second function to find 
first:
Divide:
Add:
Therefore, our expression is the same to 
.
Now, we can substitute 5 for f(x). This yields:
Multiply:
Subtract:
So:
And we're done!
The greatest common factor for 21 and 49 is 7 because 7*3=21 and 7*7=97
