How many real number solutions does the equation have? 0 = -4x^2 + 7 x - 8

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?