What number is 7 units to the left of -1

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?