Solve by the substitution method. Show your work for full credit.

y = 3x - 12

2x - 3y = - 13

you spend a hundred minutes on your homework each night from Monday through Friday you spend 190 minutes on homework on saturday. What is your mean daily number of minutes on homework

How many sides does a regular polygon have that has an angle of rotation equal to 20°? How many lines of symmetry will it have

If you drive at a speed of 50 mph how many hours will it take to drive 1340 miles

2 ones is the same as 20 tenths

Evaluate. 4⋅ ( 1 4 -3 ) + 12

How would I write 8 centimeters as a fraction

In training for the zombie race, Harris runs 4 times back and forth across the pasture, then runs through the woods 3.75 miles. In all, Harris runs 15.7 miles. What is the distance from one side of the pasture to the other?

What's the probability of P (T) ?

Evaluate. Be smart, (2.31∙5.82+4.18∙2.31+90∙2.31) : 2.31∙0.55

1. What 3 things must be true for a binomial to be a difference of squares? 2. How do you determine the square root of a term whose variable (s) have exponents greater than 2? 3. Is this a difference of squares? Show your work and explain.