Lucy adds four unique numbers together. They are all between 10 and 30.
The total is 70.
There are 2 prime numbers, two multiples of 5 and there is one square number.
What are her four numbers?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Find two numbers if their sum is 91 and the ratio is 6: 7?

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.