15. Explain how you can calculate each square

root mentally.

a) 31 x 31

b) 431 X 431

c) 17 squared

d) 432 squared

Solve the inequality graphically. 4^x > 2^x A. x > 0 B. x < 0 C. x > 1 D. x < 1

Determine the function's value when x = - 1

A triangle is inside a circle where the triangles base is on the circles diameter. What is the area of the shaded region where the base is 16 ft?

Jody runs the 500-yard dash for his school's track team in 1 minute. Find this rate in yards per second.

What is the equation of a line passing through (2,3) and (-1,5)

Shirts are $9 each. You have a coupon that saved you $5 off your purchase. How much will it cost you to buy 6 shirts?

8 to the fourth power increased by 6 in an algebraic expression.

Find the length of time fo $500 to be the interest on $1800 at 6% p. a

Alaina has $28 in her account. She wants to purchase a pair of shoes that costs $45. If Alaina makes the purchase, which integer will represent the amount of money in Alaina's account A. - 73 B. - 27 C.-23 D-17

How do you know if two fractions are equivalent?