Apackage of 10 pens cost $5. ms. jackson spent $45 on pens for her office. how many pens did she buy?

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).