Karen = x
bill = 2x - 9
total = x + 2x - 9 = 3x - 9
Answer:
90.75 cm^2
Step-by-step explanation:
The area of a trapezoid is given by
A = 1/2 ( b1+b2) *h
where b1 and b2 are the lengths of the bases and h is the height
A = 1/2(8.5+ 15.7) * 7.5
1/2 (24.2) 7.5
90.75 cm^2
2-10 = -8 I'm not sure what the 5,6,7,8,9,10 means if you tell me i might be able to help you
