Use the Quadratic Formula to find the exact solutions of x2 + 7x - 4 = 0.
x= b + b2- 4ac squared over 2a
x=-7+33 squared over 2
x=-7+65 squared over 2
x=7 +65 squared over 2
x= 7+ 33 squared over 2

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years