In a kitchen there are three containers that can hold different quantities of water, as shown in the figure below:

*pic*

how many liters of water can the three containers hold in all?

a) 3x

b) x + 3

c) 3x + 1

d) x^2 + x − 1

A) 3x

Step-by-step explanation:

The total of all the volumes is ...

(x -1) + (x) + (x +1) = (1+1+1)x +(-1+1) = 3x+0 = 3x . . . . . matches choice A

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

a

step-by-step explanation: