Solve, using linear combination.

3x + y = 4

2x + y = 4

A. (-1,7)

B. (0,4)

C. (-3,12)

D. (-3,13)

Aleena has a watering can. she uses 3/8 gallonto water her roses and1/3 gallon to water the geraniums. How much water did. Aleena use to water both thermoset and geraniums?

Solve the simultaneous equation. 7a+3b=46 4a+5b=69

The angle between 0 and 2π in radians that is coterminal with the angle 19/4π in radians is

A grading machine can grade 96 multiple choice tests in 2 minutes.

Place the indicated product in the proper location on the grid. (m 3 n + 8) (m 3 n - 5)

A drama class has a total of 26 students. The number of males is 6 more than the number of females. How many males and how many females are in the class?

Find the area under the line y=4x+1 between x=2 and x=3

Prove the trigonometric identity: (csc^2x) / (cotx) = cscxsecx ... ?

What is (3x + 5) - (x + 2)

1. Simplify. tan (x + 540) 2. Simplify the expression. sec (x - 360) 3. Simplify. 5cos (x) + 3cos (-x)