30: x
60: xsqrt3
90: 2x (hypotenuse)
I could be wrong, but I think it could be D, 18.5.
Answer:
7*7*7
Step-by-step explanation:
Answer:
b²+3.5a+8.4b
Step-by-step explanation:
Given the expression
3b^2 + 2(a+5.4b) -2.4b + 1.5a - 2b^2
Expand
3b^2 + 2a+10.8b -2.4b + 1.5a - 2b^2
Collect the like terms
= 3b²-2b²+2a+1.5a+10.8b-2.4b
= b²+3.5a+8.4b
Hence the equivalent expression is b²+3.5a+8.4b
Answer:
the area of the parallelogram is 120 units
