How many lines of symmetry does a star have?

The annual interest on a $17,000 investment exceeds the interest earned on a $12,000 investment by $402. The $17,000 is invested at a 0.6% higher rate of interest than the $12,000. What is the interest rate of each investment?

Your relay team competes in the 4 x 400 meter relay. The individual times for your four member team are 56.25, 59.89, 58.55, and 55.48 seconds. What is the total relay time for the team?

Luis is finding 8.9 - 3.72. find his mistake and correct it luis mistake: 8.9-3.72 equal 5.22

Find the slope of the line with the given equation. Show your work. 6x - 2y = 18

Find the quadratic equation whose solutions are x=3 and x=-4

7. Find the slope of the line through (-2,6) & (3,14).

Circular gears P and Q start rotating at the same time at constant speeds. Gear P makes 10 revolutions per minute and Gear Q makes 40 revolutions per minute.

A triangle with vertices (0, 1), (4, 1), and (1, 5) is reflected across the x-axis. What are the new vertices of the reflected triangle?

Using only whole numbers Nikki wrote as many multiplication equations as she could with 12 as the product what where her equations

The price of an item is $12.25. You give the cashier a $10 and a $5 bill. What is the change?