I need to be shown the process of doing these three problems so I can solve others like it, so when you solve them please try to show as much of the process as possible. solve the equation using substitution
x = y – 4

2x + 3y = 12

Solve the system using elimination.

2x – 3y = 16

x + y = 24

Solve the system using graphing.

x + y = 7

3x + 4y = 24

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.