Hich of the quadratic functions below has exactly one x-intercept?
y = x2 − 9
y = x2 − 6x + 9
y = x2 − 5x + 6
y = x2 + x − 6

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?