The equation is 4x - 4 = 4x + ? What are the missing numbers to make equation true

I'm doing easy math but i don't remember learning this so heres the question. One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?

Which choices are real numbers? Check all that apply. the A. (-131072) 1/16 B. (-256) 1/11 O c. (-5776) 1/7 D. (-531441) 1/12

Is 59 composite or prime

What adds to 10 and multiplies to 13

Connor and Maria are doing yard work for a neighbor. They make a total of $503.56. Since Maria works fewer hours than Connor , Maria gets 31 % of the money. About how much (in whole dollars) does Maria make?

If you are 16 years old now, which equation could be used to solve for your age, F, 15 years from now A. 16 x F = 15 B. 16-15=F C. 16+F=15 D. 16+15=F

Angle A and angle B are alternate exterior angles formed by two parallel lines cut by a transversal. Find the measure of angle B, if the measure of angle A = 38°

Many people believe that they can tell the difference between Coke and Pepsi. Other people say that the two brands can't be distinguished. To test this, a random sample of 20 adults was selected to participate in a test.

10 1/2 x 2 2/3= 3 1/3 x 4 2/7= 7/2 - 4/5=

Mrs. Gordon had $40 to spend on cookies and pies. She bought 4 cookies, each of which cost $3. She spent twice as much on pies as she spent on cookies. Mrs. Gordon bought 3 pies that each cost the same amount.