What is the vertex of the graph of y= x ^2+4x

What is 0.000008 meters in scientific notation

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.

5cakes cost 3.50 how much do 7 cakes cost