Answer:
x=60
Step-by-step explanation:
Answer:
39 (I answered wrong to make sure you wasnt to young)
Step-by-step explanation:
what grade are you in? (
We have

so this is indeed a difference of squares. Factorizing would give

making the answer D.
We can further factor the first term here and write

but that's clearly out of the scope of this question.
Answer:
To work this problem out you would do it as if it were just a simple equation
7x-19<16 (you would first have to add 19 to both sides)
7x<35 (then you would divide by 7 to get the variable by itself)
x<5 ( you answer would then be 5)
Step-by-step explanation:
Answer:
the answer is the third one
Step-by-step explanation: