Simple interest is $ 9
<em><u>Solution:</u></em>
Given that,
P = $ 400

T = 0.25 years
<em><u>The formula for simple interest is:</u></em>

Where,
I is the simple interest earned
R is the rate of interest in decimal
T is the number of years
<em><u>Substituting the values we get,</u></em>

Thus simple interest is $ 9
Answer:
x = 120 degrees or (c)
Step-by-step explanation:
2/4 = 0.5
3/4 = 0.75
7/8 = 0.875
3/8 = 0.375
Answer:
He multiplied the radius by 2 instead of squaring it
In this problem the surface area of the composite figure is equal to the area of the base of the rectangular prism plus the lateral area of the rectangular prism, plus the area of the two triangular faces of triangular prism, plus the area of two rectangular faces of the triangular prism. we know that