Which expressions are equivalent to 8(-10x+3.5y-7)? check- all that apply. -80x+24.5y-56 -80x+28y-56 80x+28y+56 +7y-14) -4(-20x+7y-14) hurry only have 33 minutes left

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.