Alicia has a total of 100 dimes and quarters. The total value of the coins is 14.05 how many of each coins does she have

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

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?