Answer:

That is what the expression would be
Answer:
9
Step-by-step explanation:
3 1/2/4=3 1/2*4=3 2=9
<span>7.25 = 7 and 25/100 = 7 and 1/4</span>
Answer:
The missing segment length is 20.
Step-by-step explanation:
2 is multiplied by 4 to get to 8, so 5 must be multiplied by 4 to get to 20.
Answer:
Step-by-step explanation:
2{5x²-15+(-9xy²)}-(2y²+4x-xy²)+3x²
=2{5x²-15-9xy²}-(2y²+4x-xy²)+3x²
=10x²-30-18xy²-2y²-4x+xy²+3x²
=13x²-2y²-17xy²-4x-30