Simplify -4(2c+3) pleas

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two