Solve the problem.Cory and Melissa are racing electronic cars around a circular track. They begin at the same time going in the same direction. Cory's car completes a revolution in 50 seconds, while Melissa's car completes a revolution in 45 seconds. How long will it take them before both cars reach the starting point again simultaneously?
A. 900 seconds
B. 450 seconds
C. 180 seconds
D. 90 seconds
Answer: B
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Four partners (Alonzo, Brenda, Camille, and Donald) are dividing a parcel of land valued at $240,000 among themselves using the lone-divider method. Using a map, the divider divides the property into four parcels s1, s2, s3, and s4. The following table shows the value of the four parcels in the eyes of each partner, but some of the entries in the table are missing.
What was Brenda's bid list?
A. {s2, s3} B. {s2, s3, s4} C. {s2 } D. {s2, s4} E. none of these
Translate the phrase to an algebraic expression. Use n for the variable unless otherwise stated.two decreased by some number
A. n - 2 B. 2 - n C. 2 ÷ n D. 2 + n
Simplify.8[-7 + 8(-4 + 8)]
A. 28 B. 200 C. -24 D. 32
Find the balance forward for the check stub.
A. $4,909.96 B. $3,138.30 C. $3,017.48 D. $5,030.78