Keiko, Sam, and Aldo have a total of $105 in their wallets. Sam has 4 times what Aldo has, Keiko has $9 less than Aldo. How much does each have?
Amount in Keiko's wallet:
$6.50

Amount in Sam's wallet:
$26

Amount in Aldo's wallet:
$17

What is the product of 1.7 × 10–13 and 3.5 × 1025? (5 points) 1.8 × 1012 2.06 × 1012 3.5 × 1012 5.95 × 1012

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

State if the two triangles are congruent. if they are, state how you know?