Solve the linear system: x+y=-3; y=2x

Tell whether the number is prime or composite 68

If g = -3, h = -4, and j = - 4 what's the answer to this? 2gh + j

What is a triangle with three equal sides called

Sarabeth went to the ice cream parlor with her family. Each family member got 4 scoops of ice cream. Illustrate their ice cream then write the math problems

Is (-5) ^n can be the opposite of 5^n

When rounding a number, what should you do with the digits to the right of the place to which you are rounding

Trevor earns $7.80 an our take-home pay and works 20 hours each week to buy a new laptop computer to take to college that cost $780 how many weeks will it take for church to achieve his goal

What is each sum or difference? (7-2i) + (-3+i) (1+5i) - (3-2i) (8+6i) - (8-6i) (-3+9i) + (3+9i)

Si: P (x) = 3x; R (x) = 2x; calcula : P (R (0))

What is the missing number in 12,24,72,288