Angles ∝ and β are the two acute angles in a right triangle. use the relationship between sine and cosine to find the value of β if β > ∝. sin( x 2 + 20x) = cos(2x + 15x 2 ) a) 25° b) 28.5° c) 61.5° d) 65°

The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a motorcycle. among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? express your answer as a decimal, and round it to the nearest hundredth if necessary. enter your answer in the box. reading solving puzzles ride a motorcycle 7 3 don't ride a motorcycle 5 9

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

Which expression shows the sum of the polynomials with like terms grouped together