Lucy has a homework assignment and she must solve the equation
-7x + 2 = 51.

Bring the fraction a/a-4 to a denominator of 16-a^2

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

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?