WILL GIVE BRAINLIEST Hiram has a total of 20 nickels and quarters. The value of the coins is $4.00.
Write a system of equations that represents the number of coins he has

How many nickels and quarters does he have?

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

It says factor each expression 49x-28?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row