Do these 5 problems for your project and SHOW ALL your work. You can either factor or do the quadratic formula. 3x^2 + 7x – 6 = 0 -x^2 – 2x + 8 = 0 -3x^2 – 2x – 5 = 0 x^2 – 1 = 0 x^2 + 4x – 7 = 0 (Last one you have to use quadratic formula) On each question tell what way you solved it and why.

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.