How many grams are there in 3.3 x 10^23 atoms of boron?

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36