Answer:
3x² + 2xy
Step-by-step explanation:
x² + 3xy + 2x² - xy
3x² + 2xy
Answer:
B
Step-by-step explanation:
Using the rule of exponents
=
Given
y = 12 × ← substitute x = - 2 into the expression
y = 12 × = 12 × = 12 × = = → B
Answer:
12.5%
Step-by-step explanation:
To find what percent of 120 15 is, we must find what 15/120 is.
15/120 = 0.125. To convert to a percent, we move the decimal two places to the right. So, the answer is 12.5%.
Brainliest, please :)
Karan swam and biked for a total of 1 hour and 45 minutes.
let's say 60=100 for a total of 100 equaling 1 hour.
Therefore, 100+45= <u>145</u>
(-5)² = (-5)*(-5) = 25
_____
There are an even number of negative factors, so the result is positive.