Sorry that I can't fill all of it hope you can read all of it part 2 of the other question

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Solve the equation. 2x - 8(x+1)= 6(2x - 3)