Lena found the greatest common factor (gcf) of 24ab2c3 and 30a2b3c2 to be 6abc2 by using these steps:
step 1: gcf of 24 and 30 is 6
step 2: highest shared power between a and a2 is a
step 3: highest shared power between b2 and b3 is b
step 4: highest shared power between c3 and c2 is c2
in which step did lena make a mistake?
a) step 1
b) step 2
c) step 3
d) step 4
e) lena's work is correct.

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.