A car manufacturing until produced 550 cars in April, 675 cars in May, 800 cars in June, and so on in arithmetic sequence. Find the number of cars there were rolled out in July, August and September respectively

Write the first four terms and the 10" term of the sequences an (-1)" 5n

Find the one hundredth term a100 of an arithmetic sequence if a10 = 98 and a20 = = 188.

insert four fractions between the numbers 1 and 3 so that the size numbers (including 1 and 3) constitute part of an arithmetic sequence.

A bicycle wheel rotates 400 times per minute. If the rider removes his feet from the pedals, the wheel will start to slow down. Each minute, it will rotate only as many times as in the preceding minute. How many 4 times will the wheel rotate in the eighth minute after the rider's feet are removed from the pedals? The wheel will rotate about times in the eighth minute. (Round to the nearest integer as needed.)