A electrician needs to buy 7 2/5 feet of electrical wire. There are 3 7/10 feet of wire on each spool . How many spools of wire should the electrician buy?​

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?

Find the circumference of a pizza with a diameter of 10 inches round to the nearest tenth