The coordinates of the end points lineab and linecd are a(3,6), b(8,7), c(3,3), and d(8,4). which statement describes how lineab and linecd are related?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?

Which expression is equivalent to 5a/4 - b/8 ?