Determine whether each of these integers is prime, verifying some of mersenne's claims.

a. 27 - 1

b. 29 - 1

What is the product in simplist form? State any restrictions on the variable. 4a^5/7b^4 x 2b^2/2a^4

Can you round 58.07 to 1 decimal place & 1 significant figure?

A bike store sells scooters st a 54% markup. If the store bought each scooter for 29.25, what is the resale price to the nearest dollar?

How can I yell that 2/8 and 1/4 ate equivalent

7,080,267 expanded form

Find the sum of the arithmetic sequence. 3, 5, 7, 9, ..., 21

A school is builiding a rectangular soccer field that has an area of 500 square yards. The soccer field must be 40 yards longer than its width. What is the length and width, in yards, of the soccer field? soccer

What would most cause the future acceleration of the expansion of the universe?

There are 232 people waiting in line for an amusement park ride. Each car on the ride will be filled with 5 people. How many cars are needed to hold all the people waiting in line? TRY IT

An engineer is designing an arch-shaped gate for the entrance to an amusement park. The gate must be 80 feet wide and 25 feet tall. What will be the equation of the parabolic shape of the gate?