Sam got 80% on his Math test. he had 32 problems correct. how many questions are on the test?

Which matrix multiplication is possible?

Which table shows a proportional relationship between miles traveled and gas used?

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.