Which polynomial is in standard form? 1+ 2x-8x2 +6x3
2x2+6x3-9x+12
6x2 + 5x-3x2+2
2x3+4x2 - 7x+5

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2