If at the Green Bay Football game yesterday the temperature was –3° F and at the San Francisco game it was 65° F, what was the temperature difference
between the two cities?
I

Tell whether the two rates form a proportion

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4