You and a friend go to Tacos Galore for lunch. You order 7 soft tacos and 3 burritos and your total bill is $22. Your friend's bill is $6 for 2 soft tacos and 1 burrito. How much do soft tacos cost
burritos cost?

If t = the cost of a taco, and b= the cost of a burrito, which system
equations represents the situation above?

A. 7t + 3b = 22, 32 = 5b + +

B. 10tb + 3 = 22, 3tb = 10

C. 10tb + 3tb = 34

D. 7t + 3b = 22,6 = 2t + b

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e. g. 98.76543).

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Factor the polynomial. b^2 + 4b + 4