Which property can be justified using the ratios in triangle cab ?
a)sin b = cos (90^o + b)
b)cos a = sin (90^o - b)
c)cos b = sin (90^o - b)
d)tan a = sin b/cos a

Write the fraction or mixed number and the decimal shown by the model

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?