Ascientist estimated that a mixture would need 4 milliliters of a chemical to balance. the actual amount needed was 7 milliliters. what was the percent error of the scientist's estimation

True or false? a triangle can be circumscribed about a given circle

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.