The 1,840 rock concert tickets sold were twice the amount of jazz concert tickets sold.

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3x = 729 solve for x plz . it's urgent. will mark

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?

Lian is deciding which of two gyms to join. each gym charges a monthly rate plus a one-time membership fee. lian correctly wrote and solved a system of linear equations by substitution to compare the costs of the memberships. in her work, she substituted an expression for one variable and solved for the other. this resulted in the equation 75 = 75. what can lian conclude? one gym charges $75 per month. each gym charges $75 per month both gyms charge the same monthly rate and the same membership fee. both gyms charge the same monthly rate, but not the same membership fee.