Answer:
18
Step-by-step explanation:
4(3) -(-6)
4 times 3 is 12. When you subtract a negative number the negative number gets added so it would be 12 + 6 which is 18. Hope that helps :)
12 shoppers are above 20 years old
Answer:
15
Step-by-step explanation:
This is a Pythagorean theorem problem. You must do a^2+b^2=c^2
9^2+12^2=225
then, we must find the square root of 225 which is 15.
hope this helps -Cam <3
Answer:
x-12≤7
x≤19
Step-by-step explanation:
less than means it comes after
x-12
is at most means less than or equal to
x-12≤7
Add 12 to each side
x-12+12≤7+12
x≤19
Answer:
Nope
Step-by-step explanation:
A right triangle must have a 90 degree angle.
