Answer:
x=-1
Step-by-step explanation:
multiply both sides by 2
move the constant to the right
find the sum
then divide the 4 next to x
Answer:
Section C
Step-by-step explanation:
A rhombus is basically a tilted square :)
A rhombus has all equal sides no matter what making it an equilateral
It also has two pairs of sides that are parallel making it a parallelogram
Meaning it is both a equilateral and parallelogram and belongs in section C
Answer:
5040
Step-by-step explanation:
There are 7 options for the 1st song, 6 options for the 2nd song, 5 options for the 3rd song, 4 options for the 4th song, 3 options for the 5th song, 2 options for the 6th song, and 1 option for the 7th song. We get:
(<em>Note: when you have a number n, where it is multiplied by every number until one (ex. 7. 7*6*5*4*3*2*1), then the number in the result is n! (n factorial). So we get that 7*6*5*4*3*2*1 is 7! is 7 factorial. So 5040 is 7! </em>)