Solve the system of equations by substitution

x+y=4

y=3x

The solution of the system is what?

If J=82, L=57, and K=41, list the sides of JLK in order from smallest to largest.

Solve for y in the equation Y/y + 101 = 11/10010. if all numbers are in base 2

Convert each fraction to a decimal. Classify the decimal as terminating, non-terminating, repeating, or nonrepeating. If the decimal repeats, rewrite it using bar notation. 3/8

Which team has the best winning percentage? 12 wins, 4 losses 25 wins, 15 losses 4 wins, 1 loss 30 wins, 20 losses

30 students in Mr Walker's class. 2/3 like popcorn, 3/4 of them like extra butter and salt. How many students like extra butter and salt.

What is the value of x and the length of segment DE? 10x + 15 = 9 (9) x = Length of = units

The vertex from of the equation of a parabola is y = (x - 3) 2 + 36 what is tge standard form of the equation

In a game an octahedral dice (8 sides) numbered 1 to 8 lands on 8 18 times, and on 1 to 7 42 times. what fraction of times was the score less than 8

Find the quotient. 715 / 9 =

1. a model rocket is fired vertically into the air at 320 ft/s. The expression - 16t^2+320t gives the rocket's height after t seconds. factor this expression Factor each expression or state if it cannot be factored. 1. 13q^4+2p^2 2. 14n^3+7n+7n^2 3.