Janna wants to buy a new sweater that is originally priced $48. it is marked down to $35 for a weekend sale. what percent discount would janna save if she purchased the sweater this weekend.

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

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