Dan saved $463 over the 12 weeks of summer break. he saved $297 of it during the last 4 weeks. how much did he save during the first 8 weeks?

The trigonometric ratios sine and secant are reciprocals of each other

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50