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The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection