Solve the system of equations using elimination. How many solutions does the system have? 15j + 12k = 18 5j + 4k = 6

in the last test 40% of all students in Mrs. Well's class got grade A. How many students are studying in this class, if there were 28 A's on the test?

Identify the law illustrated by: 12m + 0 is the same as 12m.

One pound equals how many kilograms

Tom begins his morning shift at 9:45 a. m. he works for 3 hours. he then takes a 45 minute lunch break before working his afternoon shift. what time does tom's afternoon shift begin?

You want to carpet 3 rooms of a house. Using the dimensions below, determine how much carpet is needed. Room 1:perimeter is 38 yards and the width of the room is 12 yards. Room 2: Perimeter is 50 yards and the width is 13 yards.

Which best describes independent events? The results of all events have different individual probabilities. The results of any previous events affects the probability of future events. The results of all events have the same individual probability.

1) Simplify 9 - {x - (7 + x) } 2) Simplify (-5) + (-4) + (7). 3) Evaluate A^2 for A = - 3. 4) Simplify and determine the coefficient of (-1/3x) (3y) (-2x). 5) Evaluate 5x3 + 2 for x = - 1.

Identify the coefficient of 2xy A. X B. 3 C. 2 D. 1

Is 0.5 degress celsius below freezing

A weatherman collected data on snow accumulation. A line of best fit was computed. The equation for the line is: y = 1.5x + 0.125. Which BEST interprets the slope of the linear model? A) The snow is accumulating at 1.5 inches every hour.