Answer:
7x+21
Step-by-step explanation:
Z because 63 is larger than 55 and 62
Answer:
18
Step-by-step explanation:
9*2= 18
18-9=9
because it said twice as old as Robin you multiply
Hope this helped you
ANSWER(S):
15.51
EXPLANATION(S):
15.51 rounded to nearest tenth is 15
*more than one answer
The method to use is Combination
<h3>What is combination?</h3>
Combination is a way or method of selecting items from a collection without a defined order or manner.
The formula for finding Combination is given as;
Combination = n!/ r!(n -r)!
n = 135
r = 2
Combination = 135!/ 2!(135 - 2)!
Thus, the method to use is Combination
Learn more about combination here:
brainly.com/question/11732255
#SPJ1