If the expression 4x+3 is equal to 1 for same value of x, what is the expression 4x+8 equal to for the same value of x? ?
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Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75