What is the molarity of a solution of 0.5 mol of Cu(NO3)2 in 0.5 L water? A. 1 M
B. 0.5 M
C. 0.25 M
D. 2M

One integer is 8 times another. if the product is 72, then find the integers

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.