Chap 1 Sects \( 2-3 \mathrm{ws}- \) word Problems Ne a variable, then write and solve an equation for each. Show all work, and answer in a sentence tephan paid \( \$ 156 \) to get his car repaired. He was charged \( \$ 76 \) for parts and \( \$ 40 \) per hour for labor. How many ours did it take to fix his car? Variable:

Selecciona el interal que contiene las afirmaciones verdaderas. 1. \( \sqrt{13} \in \mathbb{Q} \) 2. \( -8 y \pi \in \mathbb{R} \) 3. \( \mathbb{Q} \cup \mathrm{I}=\mathbb{R} \) 4. Todo Z es I a) 1 y 2 b) 2 y3 c) 1 y 3

Suppose that the quantity supplied \( S \) and quantity demanded \( D \) of T-shirts at a concert are given by the following functions where \( p \) is the price. \( S(p)=-350+40 p \) \( D(p)=1150-60 p \) Answer parts (a) through (c). The equilibrium price is \( \$ 15 \) (Round to the nearest dollar as needed.) What is the equilibrium quantity? The equilibrium quantity is \( 25 \$ \) T-shirts. (Type a whole number.) (b) Determine the prices for which quantity demanded is greater than quantity supplied. For the price \( \$ \square \) p \( \square \) price for the T-shirts at this concert.

El / La es requerido para fabricar glucosa. Seleccione una: a. Oxigeno b. CO2 c. Luz solar d. Agua

Find the exact value. Simplify your answer as much as possible. Rationalize the denominator if necessary. \[ \sin \left(\frac{1}{2} \cos ^{-1} \frac{5}{8}\right)=\square \]

Supón que se tira un dado de cubo tres veces. ¿Cuál es la probabilidad de obtener un úmero primo en los tres lanzamientos?