In the expression 5x6 + 3xy − 7yz2 + , which of the following choices is the numerical coefficient in − 7yz2?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.