What value of b will cause the system to have an infinite number of solutions?
y=6x+b
-3x + 1/2y = -3
a. -6
b. -3
c. 3
d. 6

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10