Jo is scuba diving at a depth of 25 feet below sea level. Twenty mintues later she is at the depth of 15 feet below sea level. What is the change in depth? Did she go up or down?

Add the polynomials (-5x2+8x) + (2x2-3x+7) -3x^2+5x+7 7x^2+8x+11 -7x^2+11x+7

Suppose a cafeteria has 4 different sandwiches and 6 different drinks. If you select one sandwhich and one drink, how many different lunches can you choose?

F (x) = 3^x; find f (0)

at 10am han and taylor both started running toward each other from opposite ends 10 mile path along a river. Han runs at a pace of 12 minutes per mile. taylor runs at a pace of 15 minutes per mile. how far han run after a half hour?

9ab + 12ax - 6b + 7x

What are zeros of f (x) = (x-3) (x+8) ?

Find the missing measures for the rectangle. l = _?_ w = 2 cm A = _?_ P = 25 cm A) 12.5 cm; 25 cm2 B) 10.5 cm; 21 cm2 C) 12.5 cm; 21 cm2 D) 10.5 cm; 25 cm2

A lottery offers two options for the prize. Option A: $1000 a week for life. Option B: $600 000 in one lump sum. Which option would the winner choose if s/he expects to live for another 50 years?

Write the answer in standard form on the line. 100,000 less than five hundred sixty thousand, three hundred thirteen is

Solve the inequality. -6 < 2 x - 4 < 4 A) - 5 < x < 0 B) - 4 < x < 6 C) - 1 < x < 4 D) - 12 < x < - 2