Answer:
a. 62 miles/hour
b. 1.25 laps/minute
Step-by-step explanation:
a. ratio of miles to the number of hours is 434 to 7 can also be written as
= 62 miles/hour
therefore rate or speed= 62 miles/hour
b. 
= 1.25 laps/minute which rate or speed
Answer:
24,000,000 hours
Step-by-step explanation:
1,000,000 days x 24 hours = 24,000,000 hours
You would do 256.5/18 to get the other side which is 14.25, then you add 18 and 14.25 getting 32.25, now multiply that by 2 because there are 2 of each length sides, and you get 64.5 meters as the perimeter
Perform the indicated multiplications...
12x*x+12x*2-5*2x-5*(-1)
12x^2+24x-10x+5 combine like terms
12x^2+14x+5