Answer:
Step-by-step explanation:
A quarter circle is one fourth of a circle. To find the area of a quarter circle, find the area of the whole circle by using the formula A = pi * r^2 and then divide by 4. To find the perimeter of the quarter circle, find the circumference of the whole circle, divide by 4, and then add the radius twice.
Answer:
5 + 0.99s = d
Step-by-step explanation:
5 dollars is the initial price for the site and each song is 0.99, so if you multiply that by s, the number of songs, you'll get d.
Answer:
3.
Step-by-step explanation:
The graph is being moved to the left and then stretched by a factor of three. If it were to be compressed than the 3 would be 1/3.
Answer:
$77
Step-by-step explanation:
Let Friday be the variable f.
Let Saturday be the variable s.

Substitute 11 for f in the second equation.

Therefore, Kaitlin collected $77 on Saturday
The angles inside a trapezoid add up to equal 360 degrees
X = 360-90-90-75 = 105 degrees.