Answer:
2.4
Step-by-step explanation:
15
it is 15 I think!!!!!
one half of two fifths of x would be equivalent to one fifth of x
I think it's 5(x+2y-3)
7.07
5sin90=xsin45
5/sin45=7.07
kick them to the moon. <D
it's probably wrong- but that's what i'd do lolol