Expand the left hand side:

Simplify the left hand side:

Subtract 79.99 from both side:

Divide both sides by 17:

So, he must invite less than 7 friend to the party.
Take the width to be 1.7 feet and the length to be (2.2 + 0.9) feet.
Then the area is (1.7 ft)(3.1 ft) = 5.27 ft^2 (answer)
Answer:
114
Step-by-step explanation:
15 x 2 + 9 x 2 + 11 x 3 + 11 x 3 = 114
(the bottom portion is equal to 3 x 11)
A
Because of 3 adults bought 3 tickets, 9 x 3. 9(3)
4 students bought 4 tickets, 4 x 5, 4(3)
Answer:
C, the two rounded rectangles
Step-by-step explanation:
Isometry can be divided into two words: iso = same and metry = measure
So, isometry means "same measure".
In this case, that means the transformation didn't change the measures of the object.
In A and B, you can see the figure has been transformed, while in C, it's the same shape and size, just a different color.