A store sells barrettes for $2 each and combs for $1. Shelby buys 3 barrettes and a comb. Ashley buys 2 barrettes and 4 combs. Determine the total amount spent.

The reflexive property of congruence lets you say that ∠pqr ≅

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?

What’s the volume of the triangular prism?