Sang-jin has only quarters and nickels in her piggy bank. she has 66 coins in the bank with a value of $11.50. how many quarters are in sang-jin’s piggy bank? enter your answer in the box.

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

What statement is true? 2x^2-9x+2=-1