Answer:
3z
Step-by-step explanation:
When you write a number followed by a variable with no operation in between them, it means multiplication.
3 multiplied by z is 3 * z, but you can write it without the multiplication sign simply as 3z.
X = books were sold on Saturday.
Because 2 more books were sold on Sunday than on Saturday, therefore
(x + 2) books were sold on Sunday.
The total number of books sold over the weekend (Saturday and Sunday) is
x + (x+2)
= x + x + 2
= 2x + 2
Answer: 2x + 2
Answer:
x^2 - 14x + 49
Step-by-step explanation:
(x - 7)(x - 7) = x^2 -7x - 7x + (7)(7)
No, the product is not valid. The number of columns of

(five) should match the number of rows of

(four).
Answer:
d. (5,-2)
Step-by-step explanation:
On the original segment (black endpoints), the (red) point is the most accurate to being 2/3 the distance from endpoint (-3,8)