:)
if x²+4x+y²-6y-12=0 is the equation of a circle, the length of the radius is

1. 25
2. 16
3. 5
4. 4

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

One positive number is 9 more than twice another. if their product is 95, find the numbers

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?