Me which answer correctly inserts grouping symbols so this expression has a value of 25? 12 - 7 + 2 • 4 + 6 a. (12 - 7) + 2 • (4 + 6) b. (12 - 7 + 2) • (4 + 6) c. (12 - 7) + (2 • 4 + 6) d. 12 - (7 + 2) • (4 + 6)

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile