Answer: (13) 128 (14) 3 (15) 38 (16) 21
Step-by-step explanation:
13) (x+3)+49=180
14) 66+8x=90
15) (x+3)+49=90
16) 3x+117=180
Answer:
Step-by-step explanation:
hello

so the solution is 2

so the solution is 4/5
hope this helps
The question can be solved as follows:

Hence the value of the given expression in scientific notation is expressed as:
The class needs to sell at least 20 tickets
Let x be the number of tickets that need to be sold in order to add up to $1000
Using the equation $700+$15x>=$1000
Subtract 700 from both sides and then divide each side by 15 to get 20.