Hank bought 2.4 pounds of apples. each pound cost $1.89. how much did hank spend on the apples?

Tree diagram to find the prime factors of 18

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?

How are algebraic expressions evaluated using substitution?