In a class 40%of students were girls. if the number of girls were 16 then how many students were in the class?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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?

2x + 3y = 17 5x + 6y = 32 usibg method if elimination