John is saving ⅔ of his allowance each week for a wireless headphones that he wants to buy. After 6 weeks he has$87 saved for the headset what is John's weekly allowance?

How much each week does John saves for the headset he wants to buy?

How do you determine if an ordered pair is a solution to a given equation?

Complete the steps to find 4.830 ÷ 5

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.