Did I do this Math Right

16) 1420 2x A) 67 C) 68 B) 71 D) 73 What is the value of x?

Which answer choice correctly uses grouping symbols to make an expression equivalent to 312 (3*4) + (3^2*8) 3 * (4+3^2) * 8 3 * (4+3^2*8) (3*4+3^2) * 8

Divide. Give special attention to the order of division. a. 72 : 9 : 2 b. (18 : 6) : 3 c. 45 : 5 : 3 d. 144 : (12 : 2)

The post office will accept packages whose combined length and girth is at most 42 inches. (the girth is the perimeter/distance around the package perpendicular to the length; for a rectangular box, the length is the largest of the three dimensions.

5*32 using compensation

On October 17, 2006 in an article called US Population Reaches 300 million, the BBC reported that the US gains 1 person every 11 seconds. If f (t) is the US population in millions t years after October 17, 2006, find f (0) and f' (0).

A number cube with the numbers 1 through 6 is rolled. What is the theoretical probability of rolling an even number?

Nell's mom makes chocolate milk with 30 ML of chocolate syrup for every 2 ounces of milk. Nell's dad adds 65 ML of chocolate syrup for every 5 ounces of milk.

Mary is 63.5 inches tall and her sister Tonya is 70 inches tall. Tonya wants to know how many inches taller she is than Mary. Which equation and solution can be used to solve this problem?

A school received a shipment of 4 boxes of paper. The school wants to split the paper equally among its 3 printers. How much paper should go to each printer?