In a bag there are pink buttons, yellow buttons and blue buttons. There are five times as many pink buttons as yellow buttons.
number of yellow buttons : number of blue buttons = 4 : 7

One button is selected at random.
Work out the probability that the button is either pink or blue.
Give your answer as a fraction in its simplest form.

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

47

step-by-step explanation:

go and ask your mom to you

step-by-step explanation:

it will be a cylinder. with a diameter of 8 and 4 single pieces high