Express the ratio 45 sec to 30 min as a fraction in simplist form

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

Simplify 1/3 12x - 6 a. -2x-1 b.-2x-8 c.-x+4 d.3x+10 e. 4x-2