A spread of +7.5 means that the team must either win the game or lose by 7 🌈 or less points/goals/runs for the spread bet to win. A spread bet is a bet on the margin of victory 🌈 with a handicap (or line) attached to it, in this case the handicap is +7.5.
A wager on 🌈 seven selections and consisting of 120 separate bets: 21 doubles, 35 trebles, 35 fourfolds, 21 fivefolds, 7 sixfolds and a 🌈 sevenfold accumulator.