The product of two rational numbers is (a rational, an irrational) number because multiplying two rational numbers is equivalent to the ratio of (2 intergers, a rational number and an irrational number, two irrational numbers) , which is (a rational, an irrational)

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.