14) Mary and Sue go to the store and buy packs of calculators and rulers. Mary bought 4 calculators and 5 rulers for $: Sue bought 3 calculators and 2 rulers for $247. What is the price of one calculator and one ruler? How do I solve? Please show steps!

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

you know they are heterozygous for a trait because they have it as jj or jj.