Which property can be used to expand the expression -2(3/4x+7)

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

What is the y-intercept of the line given by the equation

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)