Rosanna bought 14 cds and 12 tapes for her party. She spent a total of $290. Each cd cost her $13.

Write an equation to figure out the cost of tapes

Solve for the cost of the tapes

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Simplify the expression 8h - 57-3m by adding or subtracting the like term