Which algebraic expression has like terms?

o 9n - 2n+3-4n

O 7n2+3n-3-6172

O 7n2 + 4n-37 - 512

O 67° - 4n4+67-512

Greg practice playing his clarinet for 12 minutes. He has practice 40% of the amount of time he needs to practice today. How many more minutes does Greg needs to practice today.

Solve each system by elimination -4x+y=-10 6x-y=16

If $450 is invested for one year at 55 % simple interest, how much interest is earned? The simple interest is $

Solve for x in the equation x - 4 = 7.

In a recent survey, 0.4 of the people surveyed said their favorite beverage was coffee, 25 % said it was hot tea, andsaid it was millk 10 Which food was beverage by the greatest number of people?

How to calculate standard deviation given mean and sample size?

Gary unpaid credit card balance is $2543.32. His APR is 17.4%, and he made one new transaction for $320. What is his new balance? A: $2900.20 B: $3020.46 C:$3305.86 D:$3442.34

How do you solve 840 - 56

Tony has 37 block then he buys more blocks now he has 51 blocks. How many blocks does Tony buy

A firkin is an old British unit of volume equal to 9 gallons. How many cubic meters are there in 6.00 firkins?