Simplify the expression.
a) 2 (5 - x) + 3. 10 + x
b) 4x – 3(x + 7) -21
c) (2x – 1) (2x - 1) 4.22.4x +1
d) (2x – 1) (3x + 5) 6x² + 7x –

The functions q and r are defined as follows. q(x)= -2x+2 r(x)= x^2 - 1 find the value of r(q(

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?