A^2+3b÷c-2d
a=3 b=8 c=2 d=5

9 is the answer to this question.

Step-by-step explanation:

a^2+3b÷c-2d

3^2+3x8÷2-2x5

9+24÷2-2-10

9+12-2-10

21-2-10

19-10

9

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5

the car was traveling 40 mph before it started skidding. ( 2 points ) 17. was the driver were her brakes working at 75% efficiency or better? ( 2 points ) yes 29.

step-by-step explanation: