An acute angle θ is in a right triangle with cos θ = 9/10 . what is the value of sec θ?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no