What is the solution to the linear equation?
2.8y + 6 + 0.2y = 5y - 14
O y=-10
O y=-1
O y = 1
O y= 10

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

How many zeros does the function f(x)=4x3-x2+1 have

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items