Which of the following equations is written in standard form? a. 2.5x+3y=12 b. -10x-3y=1 c. 2x+3y=12 d. 5x+5y=10

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Arectangular courtyard is 12 feet long and 8 feet wide. a tile is 2 feet long and 2 feet wide. how many tiles are needed to cover the courtyard?