The expression 900•2.25t gives the price performance in bits per second per dollar of wireless devices from a certain company as a function of years since the company began what does 900 represent in this expression

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

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.