8r and 4r are like terms since they both have an r
also 3s and -3s are also like terms because of the s
Basically, you know a parallelogram has 4 angles which all add up to 360 degrees. (3x+5)+(x+3y)+2x+70=360 degrees. Just solve for x and y
Answer:
450 cm area
Step-by-step explanation:
Formula 1/2*b*h
1/2*75*12cm
1/2*900
1*450cm
450 is area PLEASE MARK BRAINLIEST :))
Answer: y Y/40 should be your answer
PLEASE make this brainliest answer!
91 is ya answer!