15. mr. clements painted his barn for hours in the morning. he painted
the barn for 5 hours in the afternoon. for 154-15c, select true or false
for each statement.
15a. a common denominator of
the mixed numbers is 20.
o true
false
o true
o false
15b. the amount of time spent
painting in the morning can be
rewritten as 3 hours.
false
15c. mr. clements spent 2 hours o true
longer painting in the afternoon
than the morning
16. tom exercised hour on monday and hour on tuesday.

Which statements regarding the diagram are true? check all that apply.

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab