They are all true. Hope that helps
Answer:
infinitely many solutions
Step-by-step explanation:
1) distribute 9 to each term inside parenthesis on left side of equation
18x+90=2(9x+45)
2)now distribute 2
18x+90=18x+90
these equations are exactly the same! this means that this equation has infinitely many solutions
Hope this helps!
Since a quantity is a variable that could be described in terms of numbers, then the quantities that can be measured exactly be integers would be, say, the amount of houses to be supplied with power and the number of people in the household. A fraction could never be a possible amount, because a person and a house is counted as one whole.
Answer:
yes
Step-by-step explanation:
True, the measure of an obtuse angle is greater than the measure of a right angle