Elizabeth has been saving nickels and dimes. So far she has 25 coins. Her total savings is $1.65. Find the number of nickels and the number of dimes in Elizabeth’s savings. I need two write two equations and solve what are the two equations and how do u get them

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1