Answer:
D
Step-by-step explanation:





Pythagorean theorem
Answer:
918 inches
Step-by-step explanation:

factorising the first denominator
x²-2x-3 = x² -3x+x-3 = (x+1)(x-3)
(a) 
finding LCD
(b) LCD of (x-3)(x+1) and (x-3) is (x-3)(x+1)
(c)

(d)



Answer: C: Parrellogram
Step-by-step explanation:
If the four sides do not connect at their endpoints, you do not have a closed shape; no parallelogram! If one side is longer than its opposite side, you do not have parallel sides; no parallelogram! If only one set of opposite sides are congruent, you do not have a parallelogram, you have a trapezoid.
Answer:
Step-by-step explanation:
120 is going to be 45 + x.
120 - 45 = x
120 - 45 = 75.