Which expressions are equivalent to 35+30s−45t35+30s-45t35+30s−45t35, plus, 30, s, minus, 45, t? choose 2 answers: choose 2 answers: (choice a) a 7⋅(5+30s−45t)7\cdot(5+30s-45t)7⋅(5+ 30s−45t)7, dot, left parenthesis, 5, plus, 30, s, minus, 45, t, right parenthesis (choice b) b 5(7+6s−9t)5(7+6s-9t)5(7+6s−9t)5, left parenthesis, 7, plus, 6, s, minus, 9, t, right parenthesis (choice c) c (−35−30s+45t)×(−-30s+45t)\times(-1) (−35−30s+45t)×(−1)left parenthesis, minus, 35, minus, 30, s, plus, 45, t, right parenthesis, times, left parenthesis, minus, 1, right parenthesis (choice d) d 10×(3.5+3s−4.5)10\times(3.5+3s-4.5) 10×(3.5+3s−4.5)10, times, left parenthesis, 3, point, 5, plus, 3, s, minus, 4, point, 5, right parenthesis (choice e) e (352−15s+452t)⋅(−2)\left(\dfrac{35} {2}-15s+\dfrac{45}{2}t\right)\cdot( -2)(2 35−15s+2 45t)⋅(−2)