Estimate the sum. 11 1/5 + 3.98
a. 7
b. 11
c. 15
d. 18

Order the numbers in each list from least to greatest. 0, |−14|, 13, −12, |−16|, 17

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?