Gary earned a gross pay of $1,047.30 last week. using the fact that social security tax is 6.2% of gross pay, determine the amount of social security tax deducted from gary’s gross pay.. a.. $6.49. b.. $8.38. c.. $64.93. d.. $83.78.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of