Mrs. Favicchio has 72 students in her science class. how many packets of pH paper does she need to order?

The sum of three consecutive numbers is 141. what is the smallest number of the three numbers

Hyun is comparing two numbers. he knows the larger number is twice the value of 4 more than the smaller number, x. he also knows their difference is 11 which equation can he use to find the value of the smaller number x

Simplify the expression 8xy - (x+2xy) + 3x

There are 70,000 bacteria present in a culture. An antibiotic is introduced to the culture and the number of bacteria is reduced by half every 4 hours. What will be the population in 24 hours

how do you solve for 6+5c=-29 and find c?

Dennis spent $5 less on lunch than he spent on dinner. Dennis spent at most $12 on dinner. Write and solve an inequality to find how much Dennis spent on lunch.

1000 (1+0,05) ^4 * x=1500 The answer is supposed to be x=ln (1.5) / 4ln (1.0125) I'm currently at 4log¹'⁰¹²⁵ (1.0125) = log¹'⁰¹²⁵ (1.5) What did I do wrong?

Which of the following numbers has a value between 1.4 and 1 4/5. A. 1.34. B. 170%

Considere um prisma triangular regular de volume igual a18 raiz quadrada de 3 espaço cm ao cubo e uma pirâmide regular cuja base hexagonal está inscrita na base do prisma, isto é, tem três de seus lados apoiados sobre as três arestas da base do

Consider the following system of equations: 10 + y = 5x + x2 5x + y = 1 The first equation is an equation of a. The second equation is an equation of a.