Hugh has to earn at least $400 to meet his fundraising goal. he has only 100 books that he plans to sell at $8 each. which inequality shows the number of books, x, hugh can sell to meet his goal?

20 ≤ x ≤ 400

40 ≤ x ≤ 100

50 ≤ x ≤ 400

50 ≤ x ≤ 100

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box. m∠b=

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.