19.

To calculate her target heart rate. Shayla subtracts her age, a. From 220 and then

takes 70% of the difference. Which equation should Shayla use to calculate r, her

target heart rate?

If u (x) = x^5 - x^4 + x^2 and v (x) = - x^2, which expression is equivalent to (u/v) (x) ?

What relationship between two variables can be concluded from this statement? A school survey found that some students who got low grades were addicted to television. Television is the cause of bad performance in school.

A function in which each y value has more than one corresponding x value is called a A: nonlinear function B: many to one function C one to one function D linear function

While mining, Joan found a large metal bar that weighted 40 grams. Joan was able to determine that the bar contained 35% zinc. How many grams of zinc are in the metal bar? Round you answer to the nearest whole number if necessary.

Is 5.4and 5.400 equal

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. Which measure should Shania use to find how much the scores on her tests vary, on average, from the mean score? mode mean absolute deviation interquartile range mean

Tara walks 2 miles each day. How many miles does tara walk in a week?

Solve 30y^3-6y^2+2=0

F (x) = 1/4 x for x = - 5

Estimate the sum for 1,537 times 242 then find the sum