Xis greater than y. the difference of their values are 12 and the sum of their values are 50. find the values for each

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.