Monica has 3$ in her wallet .if this is 10 percent of her monthly allowance what is her monthly allowance

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _