Erin has 3 guppies more than zebrafish and has twice as many zebra fish as goldfish. If Erin has 23 fish total, how many of each of the fish does Erin have?

What are the three screening tests you must pass in order to get your permit?

Jake paid $13.50 for admission to the county fair and bought 9 tickets to play games. If he spent a total of $36 what is the cost, c, of one ticket? Write and solve an equation.

What is the value of y in the equation y=2x-7 when x=5.

The angle between the minute hand and the hour hand on a clock is 60 degrees. What time could it be?

A GE lightbulb is supposed to last for 1,200 hours. In fact, light bulbs of this type last only 1,185 hours with a standard deviation of 70 hours.

1. Which equation represents the linear graph? A) y = 2x - 4 B) y = 2x + 4 C) y = 4x - 2 D) y = 4x + 2

Mary has $500 in her account. She makes a $350 withdrawal, deposits $100, and then gets charged a $20 fee. How much does she have in her account? A) $180 B) $230 C) $290 D) $340

A function g (x) has x-intercepts at (1/2,0) and (6,0). Which could be g (x) ? g (x) = 2 (x + 1) (x + 6) g (x) = (x-6) (2x - 1) g (x) = 2 (x - 2) (x-6) g (x) = (x + 6) (x + 2)

Roger is training for a half-marathon. The course is 13.1 miles long. Let p represent Roger's average pace in minutes per mile. Write and solve an inequality to show the average pace needed to finish the half marathon in less than 2 hours.

Find the area under the standard normal curve to the left of z = 0.49 and to the right of z = 2.05. Round your answer to four decimal places, if necessary.