Is dubious a synonym or antnonym?

What is the scientific notation of 12000000? Which property would you use to solve x - 15 -3? What does 3.5 Wh mean in batteries? What is 35 percent of 7500? How many outfits can you make with 6 sweaters 4 pairs of jeans and 3 pairs of shoes using one sweater one pair of jeans and one pair of shoes? Who was the greek mathematician systematized geometry and wrote a textbook that organized all existing information about geometry? What year is mdcccxxiv? How do you write 91.88 in scientific notation? What is the branch code for standard bank marble hall? What does 15 over 4 equal to? What is an odd number less than 80 but greater than 77? How do you write 527519 in expanded exponent? Is it possible for a triangle to have a 54 degree angle and a 126 degree angle? Dominance has no direct relationship to prevalence True or False.? A quadrilateral that has four right angles but all four sides are not the same length? What is the LCM of 13 and 78? How is 7013000 in words? Why the sky is half blue and half white? When De is parallel to xy. What is thr value of y? What's the fraction of 6 75 21?