Vhat is the solution to the following system?

3x+10y - 12z = 40

X-5y = 0

X-4z = 0

What is E=mc^2 for m

Two functions are represented in different ways. Function 1: Let x = number of hours worked Let y = total pay in dollars y = 20x + 15 Function 2: A babysitting club charges a $25 flat rate and $10 for each hour.

neptune ran 0.06 mile in the morning and 0.45 mile in the afternoon. Did she ran more in the afternoon or morning?

25% of the 483 people at the school fair are age 6 and under. Estimate how many people are over the age of 6?

A motorcycle can travel 15 miles on 3/8 of a gallon of gasoline. How far can the motorcycle travel on one gallon of gasoline.

Mt. Mckinley is the highest mountain peak in North America with an elevation of 20,320 feet. What is the value of the digit 3 in 20,320

Is 0.166666667 a terminating decimal or repeating decimal

Hasan plans to choose a book from a section of the store where everything is 25% off. he writes the expression d-0.25d to find the sale price of the book if the original price is d dollars. bella correctly writes another expression, 0.

There are 3 blue marbles, 8 red marbles, 4 green marbles and 5 yellow marbles. What number represents 50% of the marbles?

Suppose a soup can has a diameter of 10 cm and a height of 12 cm. What is the volume of soup in the can? (to nearest whole number) A) 36 cm3 B) 48 cm3 C) 144 cm3 D) 942 cm3