Hello,
100a²-49b²=(10a)²-(7b)²=(10a-7b)(10a+7b)
===================================
D. If 11.60 of them 5, then in your proportions they would need to be on the same side (both numerators or both denominators) and D is the only answer where this is true.
Answer:
15, 120
Step-by-step explanation:
9P4
.............................................................................................
Answer:
4x-3y+20
Step-by-step explanation:
x=6.875
y=2.5
2x+y=30
x=12.5
y=-5
Answer:
53
Step-by-step explanation: