Karan needs to choose between two gym plans. he can either pay a \$150$150dollar sign, 150 joining fee and a \$10$10dollar sign, 10 monthly fee, or he can pay a \$50$50dollar sign, 50 joining fee and a \$30$30dollar sign, 30 monthly fee. on what month will the cumulative costs of the plans be equal, and what will those total costs be?

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.

What is the value of x in the following equation? -3x-2=2x+8

Which system of linear inequalities is represented by the graph?