Answer:
a. 3x^2 = 81
x^2 = 27

Step-by-step explanation:
330 page/(3/4 Hour):==> 330 : 3/4
To solve this division you have to MULTIPLY the 1st term by the reciprocal of the 2nd (the reciprocal of 3/4 is 4/3), so
330 x 4/3 = (330x4)/3 = 440
330 pages were read in 3/4 Hour (given) & in 1 hour. could be read
5
2 = 32
Exponents are like a simplified or easier version of multiplying
2*2*2*2*2
People use exponents in real life. For an example, they use it for finding cubic feet ,square feet, or area of something or an object.
Sorry if I am bad at explaining this or if I confused you
Answer:

Step-by-step explanation:
The area of a trapezoid.





Answer:
6) 9 7) 8 8) 7 9) 9
Step-by-step explanation: