3x-4 when x = 7 how do I do this equation I'm confused

Sven has 11 more than twice as many customers as when he started selling newspapers. He now has 73 customers. How many did he have when he started?

A six sided die and a standard nickel are tossed. What is the probability that the number of dots on the upper face of the die is a prime number and the nickel lands heads facing up?

the gateway arch in missouri casts a 140 foot shadow while a 18-foot pile casts a 4-foot shadow. How tall is the arch?

What consumer protection agency is known by the acronym FTC

A railroad track rises 30feet for every 400 feet of track. what is the measure of the angle of elevation of the track?

What is the proportional relationship with the table? x 1 2 3 4 y 4 8 12 16 1/4 4 8

What is the final step in the problem solving process

0.35 0.15 0.05 0.05 as fraction

Which expressions are equivalent to 3 (62) ? Select each correct answer. 3 (60 + 2) 3 (6 + 2) 3 (6 + 56) 3 (60 + 20)

George took his friends to a movie. He bought 3 movie tickets that cost x dollars each, and one jumbo chicken sandwhich. The cost 15 dollars less than one movie ticket. which expression represents this situation?