Answer:
11x+2=
Step-by-step explanation:
Simply combine the like terms. Since 9 and -7 are like terms you can combine them, 9-7=2
If Jeff writes comic strips at a rate of 3 comics an hour then you must put 3,4,7&9 into the function and add up the products.
9+12+21+27=69
The answer is square root of 175. To get the answer first you have to first have the equation a^2+b^2=c^2. So your new equation would be a^2+15^2=20^2. Since 20^2 equals to 400 and 15^2 equals to 225. All you have to do is 400-225 which is 175. Since there is no two same numbers that can multiply to get 175 you leave it as square root of 175.
Answer:
20t-28
Step-by-step explanation:
expand the bracket
