Rose purchased 2 packs of red pens, 4 packs of black pens, and 3 packs of blue pens. the cost of each pack of pens was $2.50. the expression $2.50 • 2 + $2.50 • 4 + $2.50 • 3 represents the total cost of the pens. which expression also represents the total cost of the pens? a. $2.50 • 2 • 4 • 3 b. $2.50 • (2 + 4 + 3) c. $2.50 + (2 • 4 • 3) d. $2.50 + 2 + 4 + 3

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?