Acommunity action committee is planning a block party. the party will be successful only if at least 70 adults and children attend. their budget for the party is $1,000, the cost for each adult will be $15, and the cost for each child will be $4. which system of inequalities models this situation?

a. a + c ≥ 70; 15a + 4c ≤ 1000
b. a + c ≤ 70; 15a + 4c < 1000
c. a + c ≥ 1000; 15a + 4c ≤ 70
d. a + c ≤ 70; 15a + 4c ≥ 1000

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation