¿'́burgo -¿Que grupo inicio la musica rock and rooll en los so añoo?

2. Give the identifying square and name for the following elements. \( \begin{array}{llll}\text { a. } \mathrm{Bi} & \text { b. } \mathrm{K} & \text { c. } \mathrm{Gd} & \text { e. } \mathrm{Rh}\end{array} \)

uuestion \( 1 / \) ( 5 points) During a paint sale, a hardware store sold 33 gallons of flat paint and 57 gallons of high-gloss paint. What's the ratio of gallons of high-gloss sold to the total gallons sold? A) \( 33: 57 \) C) \( 57: 90 \) D) \( 57: 33 \) D)

(16) \( (2+7)^{2}-81+1= \)

Use trigonometric substitution to evaluate \( I=\int \frac{2}{\sqrt{1-4 x^{2}}} d x \) A. \( \frac{1}{4} \sin ^{-1}(2 x)+C \) B. \( -\sin ^{-1}(2 x)+C x \) C. \( -\sin ^{-1}(2 x)-3 x+C \) D. None of the options E. \( \sin ^{-1}(2 x)+C \)

How many cubic feet are in 3 cubic yards?