EASY MULTIPLE CHOICE AND BRAINLIEST IF U GET IT RIGHT PLS HELP ASAP
Which of the following equations is true?

A. Sin 46/21=sin 34/y
B. Sin 46/y=sin 34/21
C. Sin 100/y=sin46/21
D. other

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16