Which equation represents a direct linear variation? y=1x

y = x2

y = x + 2

y=12x

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

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?