Sales tax is 7%. What will be the sales tax on a purchase of $25.50?

Simplify4xy-2x+4x-8xy

Round 67.62 to the nearest whole number.

9 ten thousands / 10 in unit form

Which equation shows y=-0.5x+4 in standard form? A: x+2y=8 B: 2x - y = 8 C: x - 2y = 8 D: x + 2y = - 8

36/7 as a mixed number

Each set of ordered pairs represents a function. Write a rule that represents the function (0, 1) (1,3) (2,9) (3,27) (4,81)

Twenty milligrams of the drug lincomycin is to be given for each kilogram of a person's weight. The drug is to be mixed with 250 cc of a normal saline solution, and the mixture is to be administered intravenously over a 1 hour period.

In the diagram below, QRS is an equilateral triangle and RT QS.

What is the solution of this system of linear equations? y=2x-3 2x=y-3 a. infinitely many solutions b. (0, - 3) c. (0,0) d. no solution

In calm waters, the oil spilling from the ruptured hull of a grounded tanker spreads in all directions.