Complete the square to form a true equation
X^2+4x+?=(x+?)^2

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?