Answer:
22/3
Step-by-step explanation:
5x^2 - 80 = 0
5x^2 = 80
x^2 = 80/5
x^2 = 16
x = sqrt 16
x = (4,-4) <===
Answer: 68.1
Step-by-step explanation:
The area of a semi-circle is 1/2 the area of a full circle. The area of a full circle is pi*r^2. Therefore, the area of a semi-circle is:


The area of a rectangle is the length multiplied by the width:


The net area is the sum of the rectangle and the semi-circle:

Answer: a
Step-by-step explanation:
44 times 3 =$132 for vases
x it is flowers, the price of one flower is $2
2x +132 must be less or equal 308