Scientists estimate that the mass of the sun is 1.9891 x 1030 kg. How many zeros are in this number when it is written in standard notation?
A 26
B 30
C 35
D 25

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

The distributive property allows you to say that 3(x − 1) = 3x −

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?