Mr. Perry took his family out to dinner last night and their subtotal was $88.24. The sales tax was 5% and he left a 20% tip. If Mr. Perry put $120 on the table, how much change did he receive?

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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

If 3x+8=3x+8 is it one solution or no solution

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41