Select the words that make the sentence true. A pentagon
is always/could be/is never
a polygon.
✓ is always/could be/is never
is always
could be
is never

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Polygon abcd is a rectangle what is the area