What is the quadratic regression equation that fits these data? X Y -4 40 -3 28 -2 10 -1 8 0 7 1 10 2 16 3 26 4 40 A. y = 16.76.1.02% O B. y = 0.82x2 + 0.78x + 7.23 C. y = 1,64x2 + 1.24x+ 8.08 ما O D. y = 2.13x2 + 0.13x + 6.39​

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

Write the sentence as an equation. z plus 372 is equal to 160

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?