It can be called an acute triangle, an isosceles triangle, or equiangular triangle (equilateral triangle)
Answer:
7
Step-by-step explanation:
Working backwards:
19 + 9 = 28
28/ 4 = 7
Checking work:
7 x 4 = 28
28 - 9 = 19
She will pay $640 because....
800(.05)= 40
40x16= 640
