An expression is shown below. –15 + 2.4(–2 + 7) +

What value is equivalent to the expression?

Ben is interested in using a source that provides original research, current and developing trends and experts within specific fields. which source should he use?

Sat no calculator section question in the picture

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.