Help and i'll give you brainliest

What is the standard form of -5x^2+2x^4-11+x^3+3x

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is

Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss,how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.