The two tables below show the amount of tip, y, included on a bill charging x dollars. Restaurant A
х
y
10
20
2
30
3
Restaurant B
Х
y
25
5
50
10
75
15
Which compares the slopes of the lines created by the tables?
The slope of the line for Restaurant B is 5 times greater than the slope of the line for Restaurant A
The slope of the line for Restaurant Bis 2 times greater than the slope of the line for Restaurant A
The slope of the line for Restaurant B is 5 times greater than the slope of the line for Restaurant A.
The slope of the line for Restaurant B is 10 times greater than the slope of the line for Restaurant A.

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

too hard the other guy did it

step-by-step explanation:

moderators are

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."