A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In at present? 10 years, the sum of all their ages will be 100 years. How old are the two siblings

2/3 of a numberis 36

An injectable solution contains 500mg in each 0.7 mL Express above as a ratio.

Which one is greater 8.3 or 8.03

What the the Quotient 7/12 divided by 2/5

What is the answer to this question 800*900=?

Sarabeth ran 1 2/5 miles on a path around the park. This was 5/8 of the distance around the park. What is the distance around the park.

Express 4 ln 2 - ln 4 as a natural logarithm

Fiona races BMX around a circular dirt course. If the radius of the course is 70 meters, what is the total distance Fiona covers in two laps of the race? about 30,772 meters about 15,386 meters about 879.2 meters about 439.6 meters about 219.

What is the solution for the system 6x+9y=21 4x-7y=-27

Triangle MNO is dilated to create triangle PQR on a coordinate grid. You are given that angle N is congruent to angle Q. What other information is required to prove that the two triangles are similar?