Hello!
To find the area of a trapezoid you use the equation

A is area
h is height
a and b are the bases
Put in the values we know

Add

Divide

Multiply
A = 120
The answer is 120cm squared
Hope this helps!
Answer:

Step-by-step explanation:
If we have that worded expression, we can convert it into actual mathematical terms.
x to the one sixth power: 
That to the power of 3:

Using exponent rules, since we have a power to a power, the powers multiply, so:

If we have a number to a fraction power, the denominator becomes the “find the (denominator) root of x.
So:

Hope this helped!
Rectangular prism
is right
Answer:
I am 100% sure its 4.03 x 10^7
Step-by-step explanation:
The answer to that question is the sum of the hours he studied for on both days, which will be 1/4 + 3/8.
However, we cannot add fractions with different denominators. In this case, it's 4 and 8.
So if we want to add them, we must make the denominators similar to each other. How to make 4 into 8? We multiply it by 2: 4 x 2 = 8.
BUT when we multiply fractions, we must multiply both the numerator and the denominator by the same number to keep its original value. In this case, if you want to multiply 4 by 2, you must also multiply 1 by 2.
=> SO to make 1/4 into y/8, we will multiply it like this (1 x 2) / (4 x 2) = 2/8
Now we can add the 2 fractions together. 2/8 + 3/8 = (2 + 3)/8 = 5/8. THIS IS YOUR ANSWER.
TL;DR: He studied 5/8 (or 0.625) hour altogether on both days.