Solve this system of equations using the substitution method. If the system of equations

does not have one solution, indicate whether the system has no solution or infinitely

many solutions.

3x+y=5

4x + 2y = 20

If two adjacent angles have their exterior sides in perpendicular lines, then

Find the difference: 12 - 20.5 32.5 -32.5 -8.5 8.5

A computer screen has a diagonal length of 17 in. and a height of 9 in. To the nearest tenth of an inch, what is the area of the screen?

The lcm of 9,5 and 81

How do you solve 10n - 40

In right ∆ABC, m B = 90°, m C = 40°, and BC = 10. What are the other two side lengths of the triangle?

To pass a math test students must answer at least 0.6 of the questions. Donald's score is 5/8, Karen's score is 0.88, Gino's score is 3/5, and Sierra's score is 4/5. How many of the students passed the test?

Yolanda's class has 40 members. The teacher will not give a test unless at least 80% of the class is in attendance. How many class members must be present in order for the teacher to give a test?

If lemonade costs 1.5 cents per ounce, what is the cost per pint?

Consider the three functions: f (x) = Three-halves (4) x g (x) = Three-halves (4) - x h (x) = - Three-halves (4) x Which statements are true about the domain and range of f (x), g (x), and h (x) ? Check all that apply.