The next number is 31.
3 + 1 = 4
4 + 2 = 6
6 + 3 = 9
9 + 4 = 13
13 + 5 = 18
18 + 6 = 24
24 + 7 = 31
Pretty sure this isn’t right but I got -16.67. I’m pretty positive this isn’t the answer but this is what I got ..... sooorrrryyy
Answer:

Step-by-step explanation:
Given

Required
Solve
Express 3 as a fraction

Take LCM


Collect Like Terms

Simplify like terms

Hence:

Answer:
Step-by-step explanation:
It doesn't look right to me, but you may not have the choices I would want to use. I think it should go
1/2
cos^2
sqrt(x)
+ 2)
The square root covers just the x, and nothing more.
if the other side is 15 inches and the area is 90 square inches:
90/15 = 6
height = 6 inches (A)