Answer:
x=5/2, 9
Step-by-step explanation:
To solve this inequality, you need to isolate the value of u. To do this, divide both sides by -2. When you do this, keep in mind that when you divide or multiply both sides by a negative in an inequality, you MUST flip the sign, so your answer would be -8 < u or u > -8.
Factor by grouping.
(7x+2)(x-2) I think not sure
They need to be number C plus 3-2:7
The area of a rectangle is easy to compute.
Area = length times height
Area = 8 cm * 4 cm = 32 square centimeters
