I need an answer for this please.

Y=4x^2+x-1 solve using quadratic formula

Find the quotient. 50a2 – 98b2 -5a +7b

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191