Answer:
D. If a shape is an equilateral triangle, then it is an isosceles triangle.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Solve

For x=-1/2 and y=-3
substitute the value of x and the value of y in the expression above

Remember that

so

Convert to mixed number

Cost of 192 tile at $0.80 = 192 x .80 = $153.60
Change due from $200.00 =$200 - $153.60= $46.40