Answer:
10
Step-by-step explanation:
f(x) = 3x + 1
f(3)= 3 * 3 + 1 + 10
You are given 2/3 angles to solve for x;
24+56 = 90
90 + x = 180
x = 90 degrees
Answer:
48 ft³
Step-by-step explanation:
To find the height, you can use the slant height and the base.
Using the Pythagorean Theorem and 3 as the triangle's base,
a²+b²=c²
3²+b²=5²
9+b²=25
b²=16
b=4
The height of the pyramid is 4.
Volume formula for the pyramid is 
Inserting our measurements:

Answer:
f(30)= 75
Step-by-step explanation:
3(30)-15
90-15
75
it would be 1.496 milligrams. i hope this helps and i used a calculator