<span>7q^2 − 28 = 0
</span>7q^2<span> = 28
</span>q^2<span> = 28/7
</span>q^2<span> = 4
</span>q^2= 2^2
<span>q=+ 2 and q = -2
hope that helps
</span>
Arc length = rθ [r = radius of the circle, θ = central angle in radians] ⇒
Answer: C
Step-by-step explanation: multiply the number of hours by 25 and add 40; 25x + 40