Answer: A quadrilateral with four interior acute angles
Step-by-step explanation:
If you add four angles for quadrilateral = 360 & acute angle is less than 90 degrees so it isn't possible.
Answer:
y=5x^2-5x-10
y=2x^2+18x+36
y=-2x^2+2x+40
y=-4x^2-20x-24
Step-by-step explanation:
The error is when you multiply -7 by -1 it is 7 not -7 so,
-14+7-21
-7-21
-28
Also where did r come from you asking 2 different questions
Answer:
30
Step-by-step explanation:
6 x 5 is 30.
Answer:
$60
Step-by-step explanation:
If 50% of the original price is $30...
50% is half of 100% which is the whole.
50*2=100
30*2=60
