Please help! I need to finish this before the cutoff

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

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Given the lease terms below, what monthly lease payment can you expect on this vehicle? terms: •length of lease: 60 months •msrp of the car: $28,500 •purchase value of the car after lease: $12,900 •down payment: $1900 •lease factor: 0.0005 •security deposit: $375 •aquisition fee: $300 a.$232.50 b.$279.99 c.$227.50 d.$248.08