13 A bricklayer used 288 bricks to build a wall in 4 hours. How many brick can he use to build a similar wall in 6 hours working at the same rate?

Jill wrote the number 40 . If her rule is add 7 , what is the fourth number in Jill's pattern? How can you check your answer?

c) \( [(+9)-(-11)] \cdot(-4) \) d) \( -(-1)-(-9) \cdot[(-7)-(+11)] \)

A nurse is preparing to administer cefazolin 1 g IM . The nurse reconstitutes a 1 g vial of cefazolin with sterile water to yield a final concentration of \( 330 \mathrm{mg} / \mathrm{mL} \). How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

(t) \( \frac{7}{8}-\frac{3}{4}+\frac{5}{16} \)

2109. Berâkna, först utan och sedan med räknare. \( \begin{array}{ll}\text { a) } 2^{4}-4^{2} & \text { c) } 10^{5}-10^{3} \\ \text { b) } 2^{5}-5^{2} & \text { d) } 3+2 \cdot 2^{3}\end{array} \)