I really need it :// I'll give brainliest Large crystal formations in igneous rocks reveal what about the conditions that
formed the crystals?
that it cooled slowly under water
that is cooled quickly near the surface
that it cooled slowly deep beneath the surface
that it is made of a mineral that forms into crystals

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.