Dee has at most $150 to spend on restocking dolls and trains at her toy store. dolls cost $7.50 and trains cost $5.00. dee needs no more than 10 trains and she needs at least 8 dolls. write a system of inequalities (3) to describe this situation.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !