Select the correct answer.
wren is at the grocery store buying fruit. she buys x pounds of apples for $1.68 per pound. she buys 2 fewer pounds of grapes for
$2.48 per pound. the cost of the fruit, before tax, is $13.76. how many pounds of each fruit is she buying?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)