Match each equation with the correct solution or correct number of solutions. 5(x+3)-1= 3(x+6) 4(2x - 5) = 4x + 34 + 2(2x + 3) 5x + 13 = 3(x + 4) + 2x + 1

Is the orthocenter of a triangle on the inside ?

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.