1. 12xy and -7xy are like terms. true false 2. if sliced turkey breast costs $4.99 per pound, find the total cost of ½ pound. $1.02 $9.98 $2.50 $7.49 3. the difference between an integer and its absolute value is zero. true false 4. to calculate hourly wage, multiply the total wages by the number of hours worked. true false 5. active people need 22 calories per pound of body weight to maintain their weight. how many calories should an active 120-pound person consume per day to maintain that weight? 1,580 2,640 5 545 6. solve -2d + 3 = 17 + 5d. d = 1 d = 2 d = - 2 d = - 1 7. the annual property tax on a $230,000 home is $5,200. calculate the monthly property tax. $256.71 $433.33 $4,766.67 $5,200 7. simplify: 32 + (-3 + 2) x 6. to simplify, you first evaluate the exponents. true false 8. to convert milliliters to liters, move the decimal point three places to the right. true false 9. a phone charger is rated at 450 w. if the phone charger is used for three hours, how much energy, in kilowatt-hours, is used? 1,350,000 kwh 1.350 kwh 0.450 kwh 450,000 kwh 10. a 20-foot ladder is leaning against a house. the bottom of the ladder is 7 feet from the house. to the nearest tenth of a foot, how high does the top of the ladder reach? 449 ft. 21.2 ft. 351 ft. 18.7 ft.