How are igneous rocks formed?
a. sediments deposit in a lake and turn to stone.
b. lava or magma cools and then crystallizes.
c. heat and pressure from nearby magma changes existing rock.
d. lava or magma heats up and crystallizes.

The answer is B because the lava cools and hardens into the new rock

100% tortilla. it is the only possible answer

In a right-angled triangle: 1- the hypotenuse is the longest side2- we can apply pythagorean rule which states that: (hypotenuse)^2 = (side1)^2 + (side2)^2for the given triangle,longest side is 15 cm  side1 = 9 cmside2 is 12 cm  to check whether the triangle is right-angled or not,compare (15)^2 to the summation of (9)^2 and (12)^in other words, compare 225 to the summation of 81 and 144if they are both equal, then the triangle is right-angles, otherwise, it is not.you haven't provided the diagram showing her work, so i cannot tell the choice. however, apply my explanation to the question you have.