The student went wrong in step three. the solutions should have been -3 and 5
<span>9.15E18 --- how we learn to write it</span>
Answer:
C
Step-by-step explanation:
The awnser to 7 is 8/20 and if it's multiply it's 6/20
Volume of a Trapezoidal Prism = Area of Trapeze (front of figure) x height
Area of Trapeze = (B+b)H/2 = (3+2)x(2.1)/(2) = 5.25 in²
Volume of a Trapezoidal Prism = 5.25 x 4 = 21 in³