Aperson sitting in the top row of the bleachers at a sporting event drops a pair of sunglasses from height of 24 feet. the function h= -16x squared + 24 represents the height h ( in feet) of the sunglasses after x seconds. how long does it takes the sunglasses to hit the ground.) someone me i will mark brainliest

What is the rule for reflection across the y axis

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?